dickie vs shirtfront

dickie and shirtfront both are nouns.

Word	Noun	Adjective	Verb	Adverb
dickie	Yes	No	No	No
shirtfront	Yes	No	No	No

As nouns, dickie and shirtfront are synonyms defined as:

dickie and shirtfront: a man's detachable insert (usually starched) to simulate the front of a shirt

Other synonyms of dickie include dickey, dicky.

dickie (noun)	shirtfront (noun)
a man's detachable insert (usually starched) to simulate the front of a shirt	a man's detachable insert (usually starched) to simulate the front of a shirt
a small third seat in the back of an old-fashioned two-seater	the front of a shirt (usually the part not covered by a jacket)