Girth and Tack on

Girth verb - To encircle or bind with or as if with a belt.

Tack on and girth are semantically related In some cases you can use "Tack on" instead a verb "Girth".

Tack on verb - To join (something) to a mass, quantity, or number so as to bring about an overall increase.

Girth and tack on are semantically related in make secure topic. Sometimes you can use "Girth" instead a verb "Tack on".