Gremlin and Prentice

Gremlin noun - An imaginary being usually having a small human form and magical powers.

Prentice and gremlin are semantically related In some cases you can use "Prentice" instead a noun "Gremlin".

Prentice noun - Someone who works for an expert to learn a trade.

Gremlin and prentice are semantically related in person just learning something topic. Sometimes you can use "Gremlin" instead a noun "Prentice".