plank vs serve up

plank is a noun but serve up is not a noun.

Word	Noun	Adjective	Verb	Adverb
plank	Yes	No	Yes	No
serve up	No	No	Yes	No

As verbs, serve up is a hypernym of plank; that is, serve up is a word with a broader meaning than plank:

Other hypernyms of plank include dish, dish out, dish up, serve.

plank (noun)	serve up (noun)
an endorsed policy in the platform of a political party
a stout length of sawn timber; made in a wide variety of sizes and used for many purposes

plank (verb)	serve up (verb)
cook and serve on a plank	provide (usually but not necessarily food)
cover with planks
set (something or oneself) down with or as if with a noise