changer vs modifier

changer and modifier both are nouns.

Word	Noun	Adjective	Verb	Adverb
changer	Yes	No	No	No
modifier	Yes	No	No	No

As nouns, changer and modifier are synonyms defined as:

changer (noun)	modifier (noun)
an automatic mechanical device on a record player that causes new records to be played without manual intervention	a gene that modifies the effect produced by another gene
a person who changes something	a content word that qualifies the meaning of a noun or verb
	a person who changes something
	a moderator who makes less extreme or uncompromising