A synonym is two words that have the exact same meaning. I think of the s in synonym to remember because same also begins with an s. Antonym means two words that are total opposites. I hope this helped you out!
A synonym for changable is adaptable.
A synonym for common noun is word.
A synonym for debris is garbage. An antonym for debris is cleanliness.
A synonym for the word "sensor" is "detector".
certain insistant
a certain amount
certain, sure, guaranteed
Certain and uncertain
A synonym for "pray" with no s in prey, but the synonym for "prays" with a s is praise
alert, certain, aware, informed
"Story" is a synonym that starts with "s" for news.
The synonym is "saluted" in the sense of applauding an action.
That is one of its meanings, yes.
The word that is a synonym of "look hard" starting with S is "scrutinize."
Another word or synonym for and would be also. You could also use the word furthermore or including in certain situations.
followed