Same-sexness

Thus since twins occur in almost one percent of the cases, the probability of same-sexness would be increased from .500 to at most .502, […]

Source: wiktionary

Though he dwells mostly on the affairs of men — which would make the same-sexness an obvious result — instances in which women suffer punishment are usually engineered by other women.

Source: wiktionary

Grimsrud consistently argues against a position that would see some "inherent wrongness" with same-sexness rather than with certain forms of same-sex activities.

Source: wiktionary