A noun (as are almost all English words ending in -tion)
The part of speech for the word civilian is English grammar.
The word speech is a noun.
The part of speech for oscillate is verb.
The word understand is a verb. The past tense is understood.
Cavorted belongs to the part of speech called the verb.
Some of the professionals participating in the project are doing so by avocation
The part of speech for this particular word is a noun.
The part of speech that the word my is used as is an adjective.
The part of speech for the word "boulevard" is a noun.
The part of speech for the word civilian is English grammar.
The word speech is a noun.
It is not ANY part of speech, there is no such English word as "stroobly".
The part of speech for this particular word is a noun.
The word speech is a noun.
The word speech is a noun.
The word speech is a noun.
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.