dabbling duck vs dabbler

dabbling duck and dabbler both are nouns.

Word	Noun	Adjective	Verb	Adverb
dabbling duck	Yes	No	No	No
dabbler	Yes	No	No	No

As nouns, dabbling duck and dabbler are synonyms defined as:

dabbling duck and dabbler: any of numerous shallow-water ducks that feed by upending and dabbling

dabbling duck (noun)	dabbler (noun)
any of numerous shallow-water ducks that feed by upending and dabbling	any of numerous shallow-water ducks that feed by upending and dabbling
	an amateur who engages in an activity without serious intentions and who pretends to have knowledge