Here's a list from my dictionary:
analog
anchor
anodos
anyhow
enamor
gnomon
indoor
inflow
intron
intros
unclog
uncool
unhood
unhook
unison
unknot
unmoor
unroof
unroot
unshod
unstop
untrod
Five letter words that can be made from the letters in Christmas:amisschaircharmchartchasmcrashcrassmarchmarshmatchmirthscramscrimshirtstairstash
Frost.
Sweet is a 5 letter word. It uses all of the letters wetes.
No, it has four letters.
tattoo
The letters spell the 5 letter word unarm. They also spell the 4 letter word aura.
The longest is 5 letters: avoid
augur
disco
canny
esses
The word is fetid.