Capillary rhymes with:
ancillary, constabulary, corollary, epistolary, formulary, vocabulary, ancillary, constabulary, corollary, epistolary, formulary, vocabulary
Capillary sounds like:
caballero, cabler, cavalier, cavaliere, cavalieri, cavallaro, cavallero, cavalry, chappelear, chevalier, chivalry, cobbler, cobler, coupler, cuvelier