chuck vs be sick

chuck is a noun but be sick is not a noun.

Word	Noun	Adjective	Verb	Adverb
chuck	Yes	No	Yes	No
be sick	No	No	Yes	No

As verbs, chuck and be sick are synonyms defined as:

chuck (noun)	be sick (noun)
a holding device consisting of adjustable jaws that center a workpiece in a lathe or center a tool in a drill
the part of a forequarter from the neck to the ribs and including the shoulder blade
informal terms for a meal

chuck (verb)	be sick (verb)
eject the contents of the stomach through the mouth	eject the contents of the stomach through the mouth
throw carelessly
pat or squeeze fondly or playfully, especially under the chin
throw away