Subcommittee rhymes with:
committee, committee, committee, miltie, smitty, bitty, chitty, citi, city, clytie, committee, ditty, fulginiti, gritty, hitty, itty, itty-bitty, kansas-city, kitty, litty, mcquitty, miltie, new-york-city, nitty, pity, pretty, smitty, tarditi, twitty, whitty, witty
Subcommittee sounds like:
spacenet, subsequent, sufficient