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.)