What rhymes with thumbing

2 Syllables
bumingbummingchummingcomingcrumbingcumingcummingdrumingdrummingdumbingguminggumminghuminghummingmumingmummingnumbingplumbingrumingscumingscummingshammingslumingslummingstrummingstummingsummingthumbing
3 Syllables
becomingbenumbingforthcomingincomingoncomingshortcomingsuccumbing
4 Syllables
misbecomingovercomingunbecoming