harbour vs haven

harbour and haven both are nouns.

Word	Noun	Adjective	Verb	Adverb
harbour	Yes	No	Yes	No
haven	Yes	No	No	No

As nouns, harbour and haven are synonyms defined as:

harbour and haven: a sheltered port where ships can take on or discharge cargo

Other synonyms of harbour include harbor, seaport.

harbour (noun)	haven (noun)
a place of refuge and comfort and security	a shelter serving as a place of safety or sanctuary
a sheltered port where ships can take on or discharge cargo	a sheltered port where ships can take on or discharge cargo

harbour (verb)	haven (verb)
maintain (a theory, thoughts, or feelings)
hold back a thought or feeling about
keep in one's possession; of animals
secretly shelter (as of fugitives or criminals)