Probably because ...........
contaminate is the root word ther is no root word
"Mon" is the root of the word premonition.
The root word is scribe, which means "to write"
The root word for incredulous I think is incredible.
The root word of fertilize is "fert." It comes from the Latin word "fertilis" meaning fertile or fruitful.
Jude
The root word of "youthful" is "youth," which refers to the period of early life when someone is young.
probably "renegado"
Probably because ...........
hijab's root word is i think ha ra ba which probably means he covered (random guess)
horrid / terrible
Root ="light" (Germanic) The non-root suffix "-en" = "to cause to be ..." The non-root prefix "en-" = Italic "in-" (an intensifier) in its French form (probably). This would make the word "enlighten" a hybrid, a mixture of Germanic and Italic.
Shampoo derives from the Hindi champna, "massage" which in turn is (probably) derived from the unattested Indo-Aryan root *chap- "press, cover"
The word you are looking for is "unite." It comes from the Latin root "uni," meaning "one."
The root word that means "word" is "lex" and the root word that means "study" is "logos".
Fugitive has no root word it is the root word.