Unclog and Untie

Unclog verb - To make passage through (something) possible by removing obstructions.

Untie and unclog are semantically related. in clear topic. In some cases you can use "Untie" instead a verb "Unclog", when it comes to topics like clean.

Untie verb - To disengage the knotted parts of.

Unclog and untie are semantically related. Sometimes you can use "Unclog" instead a verb "Untie".