I think it might be pay.
The root word of "paid" is "pay."
Paid is the root word. Post- is the suffix.
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 of salary is salt. Roman soldiers were sometimes paid their wages in salt.
the root word is'confirminglyishness'
Root word is usual.
the root word is decor and that is the root word of decorate
end is the root word
The root word is gift.
Tri is the root word of intricate. The root word means three.
The root word of impersonal is person.