magnetic dip vs magnetic inclination

magnetic dip and magnetic inclination both are nouns.

Word	Noun	Adjective	Verb	Adverb
magnetic dip	Yes	No	No	No
magnetic inclination	Yes	No	No	No

As nouns, magnetic dip and magnetic inclination are synonyms defined as:

magnetic dip and magnetic inclination: (physics) the angle that a magnetic needle makes with the plane of the horizon

Other synonyms of magnetic dip include angle of dip, dip, inclination.

magnetic dip (noun)	magnetic inclination (noun)
(physics) the angle that a magnetic needle makes with the plane of the horizon	(physics) the angle that a magnetic needle makes with the plane of the horizon