dearie vs teacher's pet

dearie and teacher's pet both are nouns.

Word	Noun	Adjective	Verb	Adverb
dearie	Yes	No	No	No
teacher's pet	Yes	No	No	No

As nouns, teacher's pet is a hyponym of dearie; that is, teacher's pet is a word with a more specific, narrower meaning than dearie:

Other hyponyms of dearie include chosen, macushla, mollycoddle.

dearie (noun)	teacher's pet (noun)
a special loved one	the teacher's favorite student
a beloved person; used as terms of endearment