ratter vs deserter

ratter and deserter both are nouns.

Word	Noun	Adjective	Verb	Adverb
ratter	Yes	No	No	No
deserter	Yes	No	No	No

As nouns, ratter and deserter are synonyms defined as:

ratter and deserter: a disloyal person who betrays or deserts his cause or religion or political party or friend etc.

Other synonyms of ratter include apostate, recreant, renegade, turncoat.

ratter (noun)	deserter (noun)
any of several breeds of terrier developed to catch rats	a person who abandons their duty (as on a military post)
a disloyal person who betrays or deserts his cause or religion or political party or friend etc.	a disloyal person who betrays or deserts his cause or religion or political party or friend etc.