fail vs miscarry

fail and miscarry both are verbs.

Word	Noun	Adjective	Verb	Adverb
fail	No	No	Yes	No
miscarry	No	No	Yes	No

As verbs, fail and miscarry are synonyms defined as:

Other synonyms of fail include go wrong.

fail (verb)	miscarry (verb)
stop operating or functioning	suffer a miscarriage
deteriorate	be unsuccessful
prove insufficient
disappoint, prove undependable to; abandon, forsake
become bankrupt or insolvent; fail financially and close
be unsuccessful
fail to get a passing grade
fail to do something; leave something undone
judge unacceptable
be unable
fall short in what is expected