parathesis

As a letter s

is the letter s with a.

As a noun parathesis is

(grammar) the placing of two or more nouns in the same case; apposition.

As nouns the difference between brackets and parathesis

is that brackets is plural of lang=en while parathesis is the placing of two or more nouns in the same case; apposition.

As a verb brackets

is third-person singular of bracket.

As nouns the difference between terms and parathesis

is that terms is while parathesis is (grammar) the placing of two or more nouns in the same case; apposition.

As nouns the difference between paratheses and parathesis

is that paratheses is plural of parathesis while parathesis is the placing of two or more nouns in the same case; apposition.