4 letters
- faun9
- faux15
- fave11
- fays9
- faze16
- feal8
- fear7
- feat7
- feck14
- feds8
- fees7
- fehs9
- fems10
- fens8
- fere7
- fern8
- fess7
- feta7
- fets7
- feud9
- feus8
- fiar7
- fice10
- fire7
- firs7
- fisc10
- flea8
- flue9
- flus9
- foes7
- fora7
- fore7
- foss7
- four8
- frae7
- frag9
- frap10
- frat7
- fray9
- free7
- fret7
- froe7
- frug10
- fubs11
- fuci11
- fuck15
- fuds9
- fuel9
- fugs10
- fume11
- funs9
- furl9
- furs8
- fury10
- fuse8
- fuss8
- fuze17
- fyce12
- gaes6
- gars6
- gaur7
- gear6
- grue7
- guar7
- haes6
- hare6
- hear6
- hers6
- hues7
- ices7
- ires4
- jars13
- jess13
- jura14
- kaes8
- kafs11
- keas8
- kefs11
- kerf11
- kues9
- lace8
- lacs8
- lars5
- lase5
- lass5
- leaf8
- lear5
- leas5
- less5
- luce9
- lues6
- lure6
- mace10
- macs10
- maes7
- marc10
- mare7
- mars7
- mass7
- mesa7
- mess7
- mura8
- mure8
- murr8
- muse8
- muss8
- narc8
- near5
- ness5
- oafs7
- oars4
- ocas7
- orca7
- orcs7
- ores4
- orra4
- osar4
- oses4
- ossa4
- ours5
- pace10
- pacs10
- pare7
- parr7
- pars7
- pase7
- pass7
- pear7
- peas7
- pecs10
- prau8
- puce11
- pure8
- purr8
- purs8
- puss8
- race7
- rack11
- racy9
- rads5
- raff10
- raft7
- rage6
- rags6
- rake8
- rale5
- rams7
- rape7
- raps7
- rare4
- rase4
- rash6
- rasp7
- rate4
- rats4
- rave8
- raws7
- rays6
- raze13
- read5
- real5
- ream7
- reap7
- rear4
- rebs7
- reck11
- recs7
- reds5
- reef7
- rees4
- refs7
- reft7
- regs6
- reif7
- reis4
- rems7
- reps7
- resh6
- rest4
- rets4
- revs8
- rhea6
- rhus7
- rias4
- rice7
- rife7
- rifs7
- rise4
- roar4
- rocs7
- roes4
- rose4
- roue5
- rube8
- rubs8
- ruck12
- rude6
- rued6
- ruer5
- rues5