whomvaries
Whomvaries is a neologism used in linguistics to describe the variation in pronoun choice between whom and who in English. The term refers to the observable pattern that in some contexts, especially formal speech and traditional written style, speakers retain whom in object positions and after prepositions, while in informal speech many speakers favor who instead. The concept captures how pronoun case usage shifts across registers, dialects, and individual speakers rather than being fixed by strict rules.
Although not yet standard in major grammars, whomvaries is discussed as a descriptive label in sociolinguistic
In practice, whomvaries manifests in several ways. In formal writing or careful speech, examples like "To whom
See also: pronoun case, who/whom variation, prescriptivism vs descriptivism, sociolinguistics.