Generate an overlapping word between the given two sentences. When you find the overlapping words, they don't have to match exactly, e.g., "survival" and "survive" are valid overlapping words. Little words like "the" or "of" don't count! You must generate significant words which are not the stop words.

Sentence1: Plants live just about everywhere on Earth. 
Sentence2: epiphytes live everywhere on earth.
everywhere

Sentence1: Ejaculation allows males to reproduce. 
Sentence2: propelling sperm from the epididymes allows males to reproduce.
allows

Sentence1: Vesicle transport requires energy, so it is also a form of active transport. 
Sentence2: Active transport involves movement of substances against a chemical gradient.

active