Definition: 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.
Input: Sentence1: Crocodiles and gharials are two of the 446 reptile species found. 
Sentence2: crocodiles can go several weeks between meals.

Crocodiles