usurp vs preoccupy

usurp and preoccupy both are verbs.

Word	Noun	Adjective	Verb	Adverb
usurp	No	No	Yes	No
preoccupy	No	No	Yes	No

As verbs, preoccupy is a hyponym of usurp; that is, preoccupy is a word with a more specific, narrower meaning than usurp:

usurp: seize and take control without authority and possibly with force; take as one's right or possession
preoccupy: occupy or take possession of beforehand or before another or appropriate for use in advance

Other hyponyms of usurp include annex, appropriate, capture, conquer, seize, hijack, raid.

usurp (verb)	preoccupy (verb)
seize and take control without authority and possibly with force; take as one's right or possession	engage or engross the interest or attention of beforehand or occupy urgently or obsessively
take the place of	occupy or take possession of beforehand or before another or appropriate for use in advance