ducky vs deary

ducky and deary both are nouns.

Word	Noun	Adjective	Verb	Adverb
ducky	Yes	No	No	No
deary	Yes	No	No	No

As nouns, ducky and deary are synonyms defined as:

Other synonyms of ducky include darling, dearie, favorite, favourite, pet.

ducky (noun)	deary (noun)
a special loved one	a special loved one
	a beloved person; used as terms of endearment