it is like machine that accept input orocess and it gives out ouput.
Good that you thought of it... unfortunately there is no root word of function... because if you think of it for a long time... function is word...so there's no word go with function, so, if you say functional, the root or base word is function. :):
Fugitive has no root word it is the root word.
There is no root word of river. It itself is a root word.
the root word is'confirminglyishness'
Root word is usual.
the root word is decor and that is the root word of decorate
The root word is gift.
end is the root word
Tri is the root word of intricate. The root word means three.
The root word of impersonal is person.
The root of the word unbreakable is break.
The root word for "combine" is "com-" which means "together" or "with".