Two items of the same kind WordNet 3.0 & Open English WordNet

Two similar or identical things taken together. OmegaWiki

A pair, a couple; originally used of dogs, and later of animals generally (e.g., a brace of conies) and then other things, but rarely human persons. (The plural in this sense is unchanged.) In British use (as plural), this is a particularly common reference to game birds. Wiktionary

A pair. Wiktionary (translation)

A couple-close. Wiktionary

A pair of lines with rhyming end words. Wiktionary

A couplet, a two-line stanza making complete sense. Wiktionary

A two line stanza making complete sense. Wiktionary (translation)

A pair or couple. Wiktionary

A pair or couple, especially one that is harmonious or elegant. Wiktionary

Any pair of two people. Wiktionary

A pair of things standing in particular relation; dyadic relation. Wiktionary

Pair of things standing in particular relation. Wiktionary (translation)

Two people in a relationship, partnership or friendship. Wiktionary

Two people in a relationship. Wiktionary (translation)

A group of two; a pair; a couple; a group of two distinct individuals or components. Wiktionary