wale vs garboard plank

wale and garboard plank both are nouns.

Word	Noun	Adjective	Verb	Adverb
wale	Yes	No	No	No
garboard plank	Yes	No	No	No

As nouns, garboard plank is a hyponym of wale; that is, garboard plank is a word with a more specific, narrower meaning than wale:

Other hyponyms of wale include garboard, garboard strake, gun rest, gunnel, gunwale.

wale (noun)	garboard plank (noun)
thick plank forming a ridge along the side of a wooden ship	the first wale laid next to the keel of a wooden ship
a raised mark on the skin (as produced by the blow of a whip); characteristic of many allergic reactions