Common suffixes joined to words without a hyphen:
-able
-an
-dom
-ean
-ed (see Problem Rules and Words/suffix -ed)
-en
-est
-er
-fest
-fold
-ful
-hood
-ian
-ible
-ing
-ish
-ism
-ist
-ize
-less
-ment
-ness
-ship
-some
-work
-y (added 9.17.14)
Use a hyphen with a suffix that brings together three identical consonants.
hull-less
wall-less
doll-like
Hyphens
Combining forms
Line-break rules
Prefixes
Suffixes