Actually it doesn't have any root words, because it is a main word.
If you mean what are the root words, there are none because only verbs have root words and those are not verbs.
What are the root for
Words with the root care:caredcarefulcarefullycaringuncaring
Words with a prefix on the root word man are human and woman. Words with suffixes on the root word man are manhood, and man-cave. Other words with the root "man" include humanity, and womanhood.
position or coupon
Holiday bonus. Bonus tracks. Bonus features.
The root "bon" comes from Latin and means "good" or "well." It is commonly used in words such as bonus (something good) and bonafide (genuine or real).
The word "bonus" is a noun. Only adjectives (and their adverb forms) have comparatives.(E.g. The words for a large bonus would be a larger bonus or the largest bonus.)
The root words for "you'd" are "you" and "would."
Bonus
If you mean what are the root words, there are none because only verbs have root words and those are not verbs.
What are the root for
Words with the root care:caredcarefulcarefullycaringuncaring
Examples of root words include "work," "play," "walk," and "happy." These are the basic words from which other words are formed through the addition of prefixes and suffixes.
Bonus
Each root word has a meaning. Root words can tell you the basic meanings of words you haven't seen.
Words with a prefix on the root word man are human and woman. Words with suffixes on the root word man are manhood, and man-cave. Other words with the root "man" include humanity, and womanhood.