|
Adoptive Parentage: Humans are sometimes orphaned and adopted by other races. Choose one humanoid race without the human subtype. You start play with that race's languages and gain that race's weapon familiarity racial trait (if any). If the race does not have weapon familiarity, you gain either Skill Focus or Weapon Focus as a bonus feat that is appropriate for that race instead. This racial trait replaces the bonus feat trait.
Can a Human who selects this choose Half-Orc as their adoptive parents? Half-orcs are both Human and Orc subtype so I expect the answer is no. Just verifying.
You'd get exactly the same benefit - common and orc as languages, and familiarity with "orc" weapons, greataxes, and falchions - if the human's adopted parents were simply orcs. No need to bother with half-orcs (who indeed aren't valid because of their human subtype).