bean
Cabbage or Chamomile and Celtuce
There are no four letter words that end with -ntt
polecat
buffcuffmuffpuffballbellbillbullcallcellmallmillmullnullpillpullrollsillselltilltelltallwallwellwillbassbosscussfusshisskisslessmessmissmassmosslosspasssasstossmuttmittbuttdollfallfellfillfull
whitefish, washcloth
i think it's a tomato, unless that has an e at the end, :) potato, fennel, carrot
jeff!
ibex
kill
Some five letter words that end in F are: brief grief staff sniff cliff thief chief chaff stiff whiff snuff bluff snuff fluff gruff
Koala is an animal that is four letters long and ends with "oa."
Wolf