kneading board vs breadboard

kneading board and breadboard both are nouns.

Word	Noun	Adjective	Verb	Adverb
kneading board	Yes	No	No	No
breadboard	Yes	No	No	No

As nouns, breadboard is a hypernym of kneading board; that is, breadboard is a word with a broader meaning than kneading board:

kneading board: A big wooden board used for kneading dough.
breadboard: a wooden or plastic board on which dough is kneaded or bread is sliced

Other hypernyms of kneading board include bread board.

kneading board (noun)	breadboard (noun)
A big wooden board used for kneading dough.	a wooden or plastic board on which dough is kneaded or bread is sliced