standstill vs deadlock

standstill and deadlock both are nouns.

Word	Noun	Adjective	Verb	Adverb
standstill	Yes	No	No	No
deadlock	Yes	No	No	No

As nouns, standstill and deadlock are synonyms defined as:

standstill and deadlock: a situation in which no progress can be made or no advancement is possible

Other synonyms of standstill include dead end, impasse, stalemate.

standstill (noun)	deadlock (noun)
an interruption of normal activity	a situation in which no progress can be made or no advancement is possible
a situation in which no progress can be made or no advancement is possible