sovietise vs join

sovietise is not a noun while join is a noun.

Word	Noun	Adjective	Verb	Adverb
sovietise	No	No	Yes	No
join	Yes	No	Yes	No

As verbs, join is a hypernym of sovietise; that is, join is a word with a broader meaning than sovietise:

sovietise (noun)	join (noun)
	a set containing all and only the members of two or more given sets
	the shape or manner in which things come together and a connection is made

sovietise (verb)	join (verb)
model a country's social, political, and economic structure on the Soviet Union	make contact or come together
bring under Soviet control, of a country	cause to become joined or linked
	become part of; become a member of a group or organization
	come into the company of
	be or become joined or united or linked