withdraw vs bow out

withdraw and bow out both are verbs.

Word	Noun	Adjective	Verb	Adverb
withdraw	No	No	Yes	No
bow out	No	No	Yes	No

As verbs, bow out is a hyponym of withdraw; that is, bow out is a word with a more specific, narrower meaning than withdraw:

Other hyponyms of withdraw include back down, back off, chicken out, pull out.

As verbs, withdraw and bow out are synonyms defined as:

withdraw (verb)	bow out (verb)
keep away from others	retire gracefully
remove something concrete, as by lifting, pushing, or taking off, or remove something abstract	remove oneself from an obligation
make a retreat from an earlier commitment or activity
take back what one has said
release from something that holds fast, connects, or entangles
lose interest
pull back or move away or backward
remove (a commodity) from (a supply source)
cause to be returned
break from a meeting or gathering
withdraw from active participation
retire gracefully