Suffix used after verbs or adjectives to form nouns expressing a state, quality, or scope, similar to English "-ity", "-ness", or "-ism".

sex; gender; the biological category of male or female

nature; property; quality; the innate characteristics of a person or thing

temperament; disposition; temper (as in 性急 xìng​jí, 任性 rèn​xìng)

life; life force; life span (as in 性命 xìng​mìng)

sex; sexuality; things related to sexual desire or reproduction

Grammatical category used to classify words, such as masculine, feminine, or neuter.