Hi2819
Yes, the word "monstrous" has a suffix "-ous" added to the root word "monster."
Monster
The off-road tires make my truck look monstrous.
The monstrous rogue wave took the pilothouse overboard.
uftdyoiyitrtere
No, the word 'monstrous' is an adjective, a word used to describe a noun.The abstract noun noun form is monotonousness, a word for a quality or characteristic.
The abstract noun noun form of the adjective 'monstrous' is monotonousness, a word for a quality or characteristic.
Fugitive has no root word it is the root word.
There is no root word of river. It itself is a root word.
The words "massive" ,"monumental", "monstrous", "measureless", "mammoth", "massy", "mastodonic", "mighty", "monster", "monstrous", "mountainous" and the slang word "mega" come to mind. However to me the word "immense" would be the best alternative.
the root word is'confirminglyishness'
Root word is usual.