beset
A synonym is a word that means the same, or almost the same. So yes the word absurd could be a synonym form another word or there are synonyms for the word absurd.
A synonym for "classify" is analyze.
A synonym to order is decree
A synonym for regularly is common!
The word 'synonym' is a noun, a word for a word that means the same or nearly the same as another word; a word for a thing.
fretful,nervous,apprehensive,overwrought,perturbed,fraught,distraught.
I was fraught with worry.
The ocean voyage was fraught with danger.
Life on the sea is fraught with danger.
Her new assignment was fraught with danger.
The road to Boston is fraught with danger, these days.
The word fraught can be a noun or a verb. However, this term is no longer used in present day English.
Fraught Distraught
synonymize
word for word
The antonym of the word 'synonym' is 'antonym'.
"Alternate word" is a noun-phrase that is kind of a synonym for the word "synonym. There is no one exact word that means the same as synonym.