ExperieMENT
ferment
garMENT
harassment
internment
judgement
Kment ( Boris a football player…sorry cannot think of another)
LaMENT
moment
nourishment
ornament
predicament
Q?
refinement
sentiment
testament
understatement
vehement
wonderment
(e)xperiment
Personally I am stuck on y and z!
Shall we try TIC?
Atlantic