tackle vs bob

tackle and bob both are nouns.

Word	Noun	Adjective	Verb	Adverb
tackle	Yes	No	Yes	No
bob	Yes	No	Yes	No

tackle (noun)	bob (noun)
(American football) grasping an opposing player with the intention of stopping by throwing to the ground	a short abrupt inclination (as of the head)
(American football) a position on the line of scrimmage, typically opposite one of the offensive guards	a short or shortened tail of certain animals
gear consisting of ropes etc. supporting a ship's masts and sails	a small float usually made of cork; attached to a fishing line
gear used in fishing	a hanging weight, especially a metal ball on a string
the person who plays offensive or defensive tackle on a football team	a long racing sled (for 2 or more people) with a steering mechanism
	a hair style for women and children; a short haircut all around
	a former monetary unit in Great Britain

tackle (verb)	bob (verb)
seize and throw down an opponent player, who usually carries the ball	cut hair in the style of a bob
put a harness	make a curtsy; usually done only by girls and women; as a sign of respect
accept as a challenge	remove or shorten the tail of an animal
	move up and down repeatedly in a quick, short movement
	ride a bobsled