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.
A verblike word that usually has an -ing or -ed ending is called a participle. Particples can function as adjectives or used in progressive verb tenses.
"differentiation" is a noun. (Most words ending in "ion" are nouns. )
A noun (as are almost all English words ending in -tion)
Malapropism is a noun. It refers to the mistaken use of a word in place of a similar-sounding one, often with a humorous effect.
"differentiation" is a noun. (Most words ending in "ion" are nouns. )
The word unconscious, like other words ending in -ous, is an adjective.