south-seeking pole vs negative magnetic pole

south-seeking pole and negative magnetic pole both are nouns.

Word	Noun	Adjective	Verb	Adverb
south-seeking pole	Yes	No	No	No
negative magnetic pole	Yes	No	No	No

As nouns, south-seeking pole and negative magnetic pole are synonyms defined as:

south-seeking pole and negative magnetic pole: the pole of a magnet that points toward the south when the magnet is suspended freely

Other synonyms of south-seeking pole include negative pole.

south-seeking pole (noun)	negative magnetic pole (noun)
the pole of a magnet that points toward the south when the magnet is suspended freely	the pole of a magnet that points toward the south when the magnet is suspended freely