Adding -ity makes a word a noun.
Examples:
profound = adjective
profundity = noun
absurd = adjective
absurdity = noun
odd = adjective
oddity = noun
The suffix -itis forms a noun, indicating inflammation or a medical condition.
The suffix "-ward" typically turns a noun or adjective into an adverb indicating direction or location. For example, adding "-ward" to the word "north" creates the adverb "northward."
Adding a suffix to a word typically changes its meaning or grammatical function. Suffixes are added to the end of a word and can indicate things like tense, plurality, or part of speech. For example, adding "-ed" to the word "talk" changes it from a present tense verb to a past tense verb ("talked").
"-ward" isn't any part of speech. It's a suffix.
A derivational suffix is an affix added to a base word to create a new word with a different meaning or function. It typically changes the part of speech, meaning, or grammatical properties of the base word. For example, adding the suffix "-ness" to the adjective "happy" creates the noun "happiness".
A word with the -able suffix is usually an adjective.
Adding the suffix -ectomy creates a noun.
Adding or subtracting a suffix often changes a word's part of speech.
It must be an adjective.
The suffix -itis forms a noun, indicating inflammation or a medical condition.
acrimonious - adjective complacently - adverb advocate - verb generation - noun
"Frailness" is a noun, like any other word formed by adding the suffix -ness to a root word that is an adjective.
The suffix affects a word's part of speech. For example, the word 'happy' is an adjective. When you change the suffix, it changes the part of speech. If you change 'happy' into 'happiness' it becomes a noun; when you change it into 'happily' it becomes an adverb.
youtube
It's a suffix.
The word "-ing" is a suffix. You will see this suffix on the end of gerunds.
A suffix changes a word's part of speech. For example, the word 'happy' is an adjective. But when you add a suffix, which is an ending, it can change the part of speech. Happily is an adverb. Happiness is a noun.