seizing vs taking hold

seizing and taking hold both are nouns.

Word	Noun	Adjective	Verb	Adverb
seizing	Yes	No	No	No
taking hold	Yes	No	No	No

As nouns, seizing and taking hold are synonyms defined as:

seizing and taking hold: the act of gripping something firmly with the hands (or the tentacles)

Other synonyms of seizing include grasping, prehension.

seizing (noun)	taking hold (noun)
the act of gripping something firmly with the hands (or the tentacles)	the act of gripping something firmly with the hands (or the tentacles)
small stuff that is used for lashing two or more ropes together