Adult female and Dominatrix

Adult female noun - An adult female person (as opposed to a man).

Dominatrix and adult female are semantically related. In some cases you can replace term "Dominatrix" with "Adult female", this terms are similar.

Dominatrix noun - A dominating woman (especially one who plays that role in a sadomasochistic sexual relationship).

Adult female and dominatrix are semantically related. You can use "Adult female" instead a noun "Dominatrix".