The only word for those letters is "olefin" - a class of unsaturated open chained hydrocarbons
FNOEVUF can make the following words:effeonfenfoefunnoofoffononeoven
It is spelled with two F's, however, you left out an E also. Thus it is spelled different. 2 But also 2 "E"s DIFFERENT
Hoe, or Hi
You spelled it correctly.
It is spelled f-e-v-e-r, fever.
defacing
afterarguefarefatefearfeatfratgategeargraftgrategreatraftrateteartrueturf
You just spelled it!
Coffee is spelled coffee with 2 f's and 2 e's.
Expressed in words, this is spelt twenty-fifth.
Flawed.
FiveHymnJiveVetMyThat's all I can find.