IPA: /ˈkɒpɪraɪtəbl/
KK: /ˈkɑːpiraɪtəbəl/
Able to be protected by copyright law, meaning it can be registered for copyright.
The artist's new painting is copyrightable, allowing her to protect her work legally.
Something that can be protected by copyright law, meaning it is eligible for legal rights regarding its use and distribution.
The novel is considered copyrightable because it contains original content.
Copyrightable → It is formed from "copy" (from Middle English *copie*, meaning a reproduction or imitation) and "right" (from Old English *riht*, meaning just or lawful) and the suffix "-able" (meaning capable of). The word "copyrightable" refers to something that is capable of being protected by copyright law as a lawful reproduction.
Think of something that is a 'lawful reproduction' ('right') that can be 'copied' — that's what copyrightable means.
No commonly confused words.