cousin (n.)

• aunt
• auntie
• brethren
• brother
• bub
• bud
• buddy
• daughter
• father
• grandnephew
• grandniece
• granduncle
• great-aunt
• great-uncle
• mother
• nephew
• niece
• sis
• sissy
• sister
• son
• stepbrother
• stepsister
• unc
• uncle