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 you
over there
Overcast
Shoulder
Plover.
nothing
Clover, dover, sober, and over.
Frog...
spinning my wheels for
clearance, appearance, adherence