They're the same but otch is a very old word so you might want to say notch because more people recognize it
Old English for notch.
c. 1577 from 'otch', from Middle French 'oche' (notch) Old French 'ochier' " to notch". Top notch would indicate an arrow notch that could be brought to the bowstring and 'notched' quickly, increasing bowman's rate of fire
hopscotch, crotch, watch
The foot BEE-OTCH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
my personal b-otch...
BEE- OTCH
I'm not sure about the spelling, but you must say "mena kornem otch".
It led to bad labor conditions and had a semi-communist perspective bee-otch
Notch
Well a V-notch gives better accurate results when compared to rectangular notch.
No notch is still alive
what is a median notch on a dolphin