assessor vs tax assessor

assessor and tax assessor both are nouns.

Word	Noun	Adjective	Verb	Adverb
assessor	Yes	No	No	No
tax assessor	Yes	No	No	No

As nouns, assessor and tax assessor are synonyms defined as:

assessor and tax assessor: an official who evaluates property for the purpose of taxing it

assessor (noun)	tax assessor (noun)
an official who evaluates property for the purpose of taxing it	an official who evaluates property for the purpose of taxing it