dickie-seat vs dicky-seat

dickie-seat and dicky-seat both are nouns.

Word	Noun	Adjective	Verb	Adverb
dickie-seat	Yes	No	No	No
dicky-seat	Yes	No	No	No

As nouns, dickie-seat and dicky-seat are synonyms defined as:

dickie-seat and dicky-seat: a small third seat in the back of an old-fashioned two-seater

Other synonyms of dickie-seat include dickey-seat, dickey, dickie, dicky.

dickie-seat (noun)	dicky-seat (noun)
a small third seat in the back of an old-fashioned two-seater	a small third seat in the back of an old-fashioned two-seater