surround vs home ground

surround and home ground both are nouns.

Word	Noun	Adjective	Verb	Adverb
surround	Yes	No	Yes	No
home ground	Yes	No	No	No

As nouns, home ground is a hyponym of surround; that is, home ground is a word with a more specific, narrower meaning than surround:

surround: the area in which something exists or lives
home ground: the type of environment in which an organism or group normally lives or occurs

Other hyponyms of surround include ambiance, ambience, medium, scene, setting, element, habitat, melting pot, parts.

surround (noun)	home ground (noun)
the area in which something exists or lives	the type of environment in which an organism or group normally lives or occurs

surround (verb)	home ground (verb)
surround so as to force to give up
surround with a wall in order to fortify
extend on all sides of simultaneously; encircle
envelop completely