The phrase "most frequently appeared" is correct and usable in written English.
You can use it to suggest something that occurs or appears more often than anything else in a given context. For example, "The words 'love' and 'happiness' most frequently appeared in the responses of survey participants."
The masks would become his hallmark prop — featured alongside a rotating cast of dismembered dolls, stuffed birds, and the occasional rubber chicken or dead possum — and, most frequently, appeared on the faces of his friends and family members.
Since the work of Ambrosetti-Rabinowitz [13], the AR condition has most frequently appeared in the superlinear elliptic boundary value problem.
Subtract the most frequently appeared pixel value in the micrographs, which is given from the embedding material (e.g., resin or vitrified ice).
Such echoes most frequently appeared in winter and equinox before sunrise in beam #0 (white line) and after sunset in beam #15 (black line).
MemeTracker is a project developed by Leskovec et al. [12] to map the daily news cycle by tracking the most frequently appeared quotes and phrases in numerous news and blog Web sites.
Within core areas of analytic philosophy, culture has most frequently appeared in discussions of moral relativism, radical translation, and discussions of perceptual plasticity, though little effort has been made to seriously investigate the impact of culture on these domains.
Just as the search term "vodka," which most frequently appears on a Saturday, predicts "hangover" will appear most often on Sunday, Google search terms like "how to sign up for unemployment" can foreshadow the beginning and end of recessions.
She attired herself in an astonishing array of fancy dress, most frequently appearing, in her younger years, as a druidess; as time and grief – not least her husband's trial for rape – and poverty took their toll, she wore black and held court, veiled, in rooms from which every glimmer of daylight had been banished.
The domains with the most frequently appearing misconfiguration are often hosted at a very limited set of hosting providers.
We found that such echoes most frequently appear in winter and equinox before sunrise in beam #0 and after sunset in beam #15.
It most frequently appears in patients with metastasised ileal neuroendocrine tumours when bioactive substances pass into the systemic circulation [25, 26].
