Fall back and Rusticate

Fall back verb - To move back or away (as from something difficult, dangerous, or disagreeable).

Rusticate and fall back are semantically related In some cases you can use "Rusticate" instead a verb "Fall back".

Rusticate verb - Live in the country and lead a rustic life.

Fall back and rusticate are semantically related in retire topic. Sometimes you can use "Fall back" instead a verb "Rusticate", if it concerns topics such as leave a place or responsibility.