The suffixive form of the adjective 'happy' is 'happiness'.

Suffixations are common in the English language.

This word is suffixable, meaning you can add a suffix to it.

She formed the word suffixally.

The suffixings in this language are quite complex.

The suffixness of the word can be determined by its ending.

A suffix tree is a data structure that allows for efficient string matching and searching.

This is John's car.

The students' books are on the table.

Suffix trees are data structures used in computer science.