baseball glove vs baseball mitt

baseball glove and baseball mitt both are nouns.

Word	Noun	Adjective	Verb	Adverb
baseball glove	Yes	No	No	No
baseball mitt	Yes	No	No	No

As nouns, baseball glove and baseball mitt are synonyms defined as:

baseball glove and baseball mitt: the handwear used by fielders in playing baseball

Other synonyms of baseball glove include glove, mitt.

baseball glove (noun)	baseball mitt (noun)
the handwear used by fielders in playing baseball	the handwear used by fielders in playing baseball