Words ending with ion would include competition, perdition, rendition, nation, vacation, etc., all of which are nouns.
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.
The suffix -ism usually signals a noun.
Dreamily is an adverb because almost all of the time any word ending in -ly will be an adverb.
It's a verb. The ending is the tell tale sign. It's the past tense of to contain.
The part of speech that the word my is used as is an adjective.
punctuation
The word "ending" can function as a noun or an adjective, depending on the context.
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.
adjective (like everything ending in -OUS)
"Translation" is a noun, as is almost every word ending in -tion.
Adverb- most words ending in -ly are adverbs.
The suffix -ism usually signals a noun.
A noun (as are almost all English words ending in -tion)
The word unconscious, like other words ending in -ous, is an adjective.
"differentiation" is a noun. (Most words ending in "ion" are nouns. )
"Intrusion" is a noun. Words ending in "-ion" are virtually always nouns.
It would be a noun