Only a few words end in over: clover, drover, over, plover, and rover, and the proper nouns Grover and Dover.
There are also near rhymes "nova" and "sober."
Some possible rhymes for over fertilization include fragmentation, anticipation, and justification.
No, it does not. For rhyming words for both of these: Humor rhymes with tumor. Rover rhymes with over.
over there
over you
Overcast
Shoulder
Plover.
Frog...
nothing
Clover, dover, sober, and over.
spinning my wheels for
clearance, appearance, adherence