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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
in their competency
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "in their competency" is not correct in standard English usage.
It may be intended to refer to someone's area of expertise or skill, but the phrasing is awkward. Example: "The team members are expected to work within their competency to ensure project success."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
I generally ask what is one facet in their competency area they'd suggest changing, or what's something they've noticed that we as a company could improve upon".
News & Media
Moreover, the judgement of competence/incompetence for patients with dementia is an especially difficult task and physicians may frequently disagree in their competency judgements, particularly in cases of mild to moderate dementia [ 37- 39].
Science
On the other hand, the graduates reported that they are not sufficiently confident in their competency in health management, as reflected in the lowest mean value 3.24 given to the item "the ability to appropriate utilization of human resources, diagnostic interventions, therapeutic modalities and health care facilities".
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
When students are given the opportunity to experience home-care or community visits these tend to be unstructured leading to wide variations in their competencies.
Science
Specifically, the mathematical competencies of one group of young people were lower after completing the prevocational programme than they were before, whereas another group achieved recognizable improvements in their competencies.
Nevertheless, because different subpopulations vary substantially in their competencies (e.g., for Germany, see Maehler et al. 2013), future research still needs to investigate the scale's psychometric properties and comparability across different subgroups within countries such as gender or age groups (see, for example, the approach taken by Smith et al. 2015).
Program participants found that standard content-focused assessments were insufficient to measure student learning gains specified in their competency-based approaches and that end-of-unit summative tests did not accommodate real-time assessment students need in support of their learning.
Science
Three quarters (78%) also agreed that the assessment process helped to identify weaknesses and gaps in their competencies (Table 1).
Science
It was understood that individuals would not be inclined to recognize extreme weaknesses in their competencies for fear of losing their jobs, because they knew the capability assessment results were communicated with the management.
Science
Policy-makers are likely to increase their utilization of research findings if their competency in research methods is improved and the importance they place on research findings in the policy-making process is increased.
Recent research showed that providing genetic educational outreach to doctors has a positive impact in improving their competency and confidence in the use of genetic testing to guide prevention or treatment decisions [ 6– 8].
Expert writing Tips
Best practice
When discussing someone's abilities, opt for stronger and more widely accepted phrases like "in their area of expertise" or "within their skill set" rather than "in their competency".
Common error
Avoid using "competency" directly after prepositions like "in", as it often sounds awkward. Instead, rephrase to use "expertise" or "skill" for smoother, more natural-sounding sentences.
Source & Trust
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in their competency" functions as a prepositional phrase, attempting to define a sphere of skill or capability. However, as noted by Ludwig AI, this phrasing is somewhat awkward and not in standard English usage. Examples from Ludwig show it used in contexts related to assessing skills and making judgements.
Frequent in
Science
67%
News & Media
33%
Formal & Business
0%
Less common in
Wiki
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, while the phrase "in their competency" isn't strictly incorrect, Ludwig AI points out it's not standard English and can sound awkward. The analysis reveals that it attempts to define an area of skill but is better replaced by phrases like "within their area of expertise" or "regarding their capabilities" for improved clarity and naturalness. It appears most often in science and news-related contexts, but its infrequent usage suggests prioritizing stronger alternatives. Using more common phrases ensures smoother and more effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
according to their expertise
Emphasizes the specialized knowledge someone has.
within their area of expertise
This alternative focuses on the specific domain where someone has skills, replacing a single word with phrase.
in light of their competence
Emphasizes knowledge and skills someone has.
in their field of competence
Replaces "competency" with "field of competence", emphasizing the area of skill.
regarding their capabilities
Focuses on capabilities instead of a defined area.
with respect to their skill set
Highlights the specific skills that someone possesses, shifting the focus slightly.
concerning their proficiency
Emphasizes the level of skill or expertise, rather than the area itself.
related to their proficiency level
Highlights the level of skill, rather than the area itself.
in terms of their qualifications
Highlights formal qualifications, slightly narrower than general competence.
based on their aptitude
Focuses on natural ability or potential, a more inherent characteristic.
FAQs
What are some alternatives to "in their competency"?
You can use alternatives like "within their area of expertise", "regarding their capabilities", or "in terms of their qualifications" depending on the specific context.
Is "in their competency" grammatically correct?
While not strictly ungrammatical, "in their competency" is not standard English and can sound awkward. It's better to use more common and natural-sounding alternatives.
How can I use "competency" correctly in a sentence?
Focus on using "competency" as a noun that is possessed or demonstrated. For example, "They demonstrated competency in data analysis" is clearer than "in their competency of data analysis".
What's the difference between "in their competency" and "in their expertise"?
"In their expertise" is generally a better choice than "in their competency" because it sounds more natural and is more widely accepted in standard English. "Competency" is often used as a noun describing a state or quality, while "expertise" refers to specialized knowledge or skill.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested