Delve rhymes with:
shelve, twelve, absolve, bivalve, devolve, dissolve, evolve, involve, multivalve, resolve, revolve, shelve, solve, twelve, valve
Delve sounds like:
dalbey, dalby, dalpe, dealba, delap, delapp, delp, delph, delphi, delphia, delwip, dethloff, detloff, dettloff, dewolf, dewolfe, dewulf, dilip, dolbow, dolby, dolf, dolfi, dolloff, dollop, dolph