In the singular this will be different from the final vowel of the word; nouns are derived from verbs or adjectives by prefixing the opposite of the final vowel, according to the triangle above.
This will be different from the final vowel of the word. This is in the singular. Nouns are derived from verbs or adjectives by. This was according to the triangle above. Nouns were prefixing the opposite of the final vowel. This was according to the triangle above.