bonding vs personal relation

bonding and personal relation both are nouns.

Word	Noun	Adjective	Verb	Adverb
bonding	Yes	No	No	No
personal relation	Yes	No	No	No

As nouns, personal relation is a hypernym of bonding; that is, personal relation is a word with a broader meaning than bonding:

bonding: a close personal relationship that forms between people (as between husband and wife or parent and child)
personal relation: a relation between persons

Other hypernyms of bonding include personal relationship.

bonding (noun)	personal relation (noun)
fastening firmly together	a relation between persons
(dentistry) a technique for repairing a tooth; resinous material is applied to the surface of the tooth where it adheres to the tooth's enamel
a close personal relationship that forms between people (as between husband and wife or parent and child)