The phrase "most relevant example" is correct and usable in written English.
For example, you could use it in a sentence such as: "The most relevant example of this is the recent rise in the number of people working from home."
Rugby union might provide the most relevant example.
Since so many of the refugees in Lebanon and Jordan are in temporary camps, the most relevant example for this pattern is Turkey.
The most relevant example is travel between destination and origin.
The elevated prolactin (PRL) release from the pituitary, induced markedly by suckling, is the most relevant example.
Smartphones are the most relevant example, astonishing us every day with how ubiquitous the devices have become.
The most relevant example in this category is Japan, whose economic interests are the core drivers of its aid.
Finally, we relate our work to the most relevant examples of argumentation frameworks that incorporate strengths.
This chapter reviews the most relevant examples of pincer N-heterocyclic carbene (NHC) ligand complexes, classified according to metals.
The three most relevant examples are the OECD PIAAC Survey (OECD 2010), Cedefop ESJS (Cedefop 2015b) and Eurofound EWCS (Eurofound 2016).
The most relevant examples of this included: (1) immersion in sodium hydroxide and thermo-oxidation, (2) immersion in iron nitrate and thermo-oxidation and (3) immersion in cadmium or copper nitrate and artificial weathering.
The most relevant examples are the STRM mission, which provided, for the first time, the Earth topography at an almost global scale and the future Tandem-X mission, that pursues the same objective, but with an improved accuracy.
