10 letter words:
effervesce21,
6 letter words:
fevers12,
reeves9,
severe9,
creese8,
5 letter words:
fever11,
feces10,
feres8,
frees8,
reefs8,
reeve8,
serve8,
sever8,
veers8,
verse8,
ceres7,
scree7,
resee5,
4 letter words:
effs10,
ever7,
eves7,
fees7,
fere7,
free7,
reef7,
refs7,
revs7,
serf7,
veer7,
vees7,
cees6,
cere6,
recs6,
rees4,
seer4,
sere4,
3 letter words:
eff9,
efs6,
eve6,
fee6,
fer6,
fes6,
ref6,
rev6,
vee6,
cee5,
rec5,
sec5,
ere3,
ers3,
ree3,
res3,
see3,
ser3,
2 letter words:
ef5,
fe5,
er2,
es2,
re2,