fielding vs manipulation

fielding and manipulation both are nouns.

Word	Noun	Adjective	Verb	Adverb
fielding	Yes	No	No	No
manipulation	Yes	No	No	No

As nouns, manipulation is a hypernym of fielding; that is, manipulation is a word with a broader meaning than fielding:

fielding: (baseball) handling the ball while playing in the field
manipulation: the action of touching with the hands (or the skillful use of the hands) or by the use of mechanical means

Other hypernyms of fielding include handling.

fielding (noun)	manipulation (noun)
(baseball) handling the ball while playing in the field	exerting shrewd or devious influence especially for one's own advantage
	the action of touching with the hands (or the skillful use of the hands) or by the use of mechanical means