Die off and Fall back

Die off verb - Become extinct.

Fall back and die off are semantically related. in recede topic. In some cases you can use "Fall back" instead a verb "Die off", when it comes to topics like withdraw.

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

Die off and fall back are semantically related. Sometimes you can use "Die off" instead a verb "Fall back".