maintain vs hold over

maintain and hold over both are verbs.

Word	Noun	Adjective	Verb	Adverb
maintain	No	No	Yes	No
hold over	No	No	Yes	No

As verbs, hold over is a hyponym of maintain; that is, hold over is a word with a more specific, narrower meaning than maintain:

maintain (verb)	hold over (verb)
stick to correctly or closely	intimidate somebody (with a threat)
state categorically	hold over goods to be sold for the next season
state or assert	keep in a position or state from an earlier period of time
support against an opponent	continue a term of office past the normal period of time
maintain by writing regular records	hold back to a later time
supply with necessities and support
keep in safety and protect from harm, decay, loss, or destruction
have and exercise
maintain for use and service
cause to continue in a certain state, position, or activity