How can you turn these adjectives into verbs and nouns wide long short low high strong weak narrow?

Here's how you can turn those adjectives into verbs and nouns:

Adjective | Verb | Noun

------- | -------- | --------

Wide | Widen | Width

Long | Lengthen | Length

Short | Shorten | Shortness

Low | Lower | Lowliness

High | Heighten | Height

Strong | Strengthen | Strength

Weak | Weaken | Weakness

Narrow | Narrow | Narrowness

Notes:

* Verbs: Most of the verbs are formed by adding "-en" to the adjective.

* Nouns: Many of the nouns are formed by adding "-ness" to the adjective. Some are already existing nouns (e.g., length, height, strength, weakness).