magnetic inclination vs angle of dip

magnetic inclination and angle of dip both are nouns.

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

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

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

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

magnetic inclination (noun)	angle of dip (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