Jacks and Swab

Jacks noun - A game in which jackstones are thrown and picked up in various groups between bounces of a small rubber ball.

Swab and jacks are semantically related. in sailor topic. In some cases you can use "Swab" instead a noun "Jacks".

Swab noun - One who operates or navigates a seagoing vessel.

Jacks and swab are semantically related. Sometimes you can replace term "Jacks" with "Swab", this nouns are similar.