Formal—Made in accordance with regular and established forms, or with dignity and impressiveness: stiff.

Genera—Plural of genus, a group for purposes of classification, embracing one or more species.

Generic—Of or pertaining to a genus (see genera) as distinct from specific, of or pertaining to a species (which see).

Ordinal—That form of the numeral that shows the order of anything in a series.

Species—A group for purposes of classification subordinate to a genus and composed of individuals having only minor differences.

Versions—(Of the Bible) Different translations of the original into the same or different languages.