accomplishment
aggrandizement
alignment
announcement
apartment
assessment
assignment
astonishment
atonement
basement
cement (The word part "-ment" is used as a suffix here, added to word part that means "to cut" as in cutting stones in a quarry.)
comment (The word part "-ment" isn't used as a suffix here.)
commitment
compartment
compliment
concealment
condiment
containment
contentment
element (The word part "-ment" isn't used as a suffix here.)
embarrassment
encampment
entrancement
envelopment
excitement
excrement (gross!)
experiment
filament
fragment
fulfillment
garment
internment
judgment
lament ? (The word part "-ment" isn't used as a suffix here.)
ligament
merriment
ornament
parliament
placement
punishment
reenactment
retirement
resentment
sediment
sentiment
settlement
shipment
statement
torment
tournament
treatment
wonderment
(Kyle K. had a longgggg list.)