ratchet vs ratch

ratchet and ratch both are nouns.

Word	Noun	Adjective	Verb	Adverb
ratchet	Yes	No	Yes	No
ratch	Yes	No	No	No

As nouns, ratchet and ratch are synonyms defined as:

ratchet and ratch: mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction

Other synonyms of ratchet include rachet.

ratchet (noun)	ratch (noun)
mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction	mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction

ratchet (verb)	ratch (verb)
move by degrees in one direction only