frozen vs stock-still

frozen and stock-still both are adjectives.

Word	Noun	Adjective	Verb	Adverb
frozen	No	Yes	No	No
stock-still	No	Yes	No	Yes

As adjectives, frozen and stock-still are synonyms defined as:

Other synonyms of frozen include rooted.

frozen (adjective)	stock-still (adjective)
turned into ice; affected by freezing or by long and severe cold	absolutely still
devoid of warmth and cordiality; expressive of unfriendliness or disdain
not convertible to cash
absolutely still
(used of foods) preserved by freezing sufficiently rapidly to retain flavor and nutritional value
incapable of being changed or moved or undone; e.g. "frozen prices"
not thawed

frozen (adverb)	stock-still (adverb)
	without moving or making a sound