gaining control vs seizure

gaining control and seizure both are nouns.

Word	Noun	Adjective	Verb	Adverb
gaining control	Yes	No	No	No
seizure	Yes	No	No	No

As nouns, gaining control and seizure are synonyms defined as:

gaining control and seizure: the act of forcibly dispossessing an owner of property

Other synonyms of gaining control include capture.

gaining control (noun)	seizure (noun)
the act of forcibly dispossessing an owner of property	the taking possession of something by legal process
	the act of forcibly dispossessing an owner of property
	the act of taking of a person by force
	a sudden occurrence (or recurrence) of a disease