Redundancy, or redundance.
The noun form is infallibility.
The noun form of the adjective 'various' is variousness.A related noun form is variety.
The noun form of the adjective 'precise' is preciseness.A related noun form is precision.
The noun form of the adjective 'modest' is modestness.A related noun form is modesty.
The noun form for the verb to abut is abutter, that which abuts. Another noun form is abutment.
There is no word in English spelled 'rebundant'. Perhaps you mean the adjective, redundant.The noun form for the adjective redundant is redundancy.
The term 'computer lab' is a compound noun, a noun made up of two or more words to form a noun with its own meaning. Although not incorrect, adding the noun 'room' is redundant because a computer lab is usually a room.
there is no verb (PEACE!)
Redundant Array of Indepindent Disks
Technically, the phrase "clustered together" is redundant. To cluster means to form a group of similar things closely together.
The expanded for is tedious and has a lot of redundant material.
The noun form for the adjective horrible is horribleness.
The noun form of the adjective 'prosperous' is prosperousness.A related noun form is prosperity.
Past Perfect
1.016 *100 but the "*100" bit is really redundant.
The noun form for the adjective glaring is glaringness. Another noun form is glare.
Implication is the noun form of "imply."