Imminent rhymes with:
immanent, contaminant, determinant, dominant, eminent, immanent, permanent, predominant, preeminent, prominent, ruminant, semipermanent
Imminent sounds like:
iannotti, iantha, ianthe, imitate, imitated, immanent, immediate, immunity, imnet, imondi, inanimate, inda, indata, indeed, india, indiaia, indie, indite, indited, indo, indy, inhumanity, initiate, initiated, initio, inmate, inmont, innate, innominate, innuendo, inti, into, intuit, inuit, inundate, inundated, inwood, iwamoto