The root word is interest. The dis- prefix indicates separation or reversal. The -ed suffix just indicates past tense.
dis-
The root word of "unusual" is "usual."
Con is the root word in that word. The base is condense.
The root word is gift.
The root word of "endless" is "end."
There is no root.
To a disinterested observer, both sides seemed unreasonable in their demands. It was difficult to find a disinterested voter as the fiercely-contested election drew nearer.
A disinterested bystander.
Disinterested and uninterested are different.
analogy
The Boy Was Disinterested In What The Teacher Said .
either could be correct. disinterested is unaffected by self-interest uninterested is not having or showing interest most likely it's the latter, but not knowing the sentence, or what it pretains to....
Fugitive has no root word it is the root word.
There is no root word of river. It itself is a root word.
*uninterested, not disinterested.
the root word is'confirminglyishness'
the root word is decor and that is the root word of decorate
Con is the root word in that word. The base is condense.