Completion
stopping
Aardvark and eel are words. They begin with double letters.
Eel
what is the opposite of smoother in seven letters
Not many words begin with double letters. A few of those that do start with double letters include aardvark, eel, eerie, llama, ooh, oomph and ooze.
sully, sunny
cattle ,cappers by hannah
The word that has only four letters and is the opposite of mean in NICE
xu, xi, xer
Those letters spell opposite.
Worthless is the opposite of valuable that is 9 letters
The prefix 'in' generally means "not" or "The opposite of", such as "Ingratitude" or "Inglorious" although there are plenty of words that have these letters that aren't the opposite of another. Here are some other options:IngrainedIngressesIngrowingIngrowthsIngotIngoing