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: Carbon cycles quickly between organisms and the atmosphere. 
Sentence2: the atmosphere is essential to all living organisms.
organisms

Sentence1: dew is formed when water vapor condenses over night. 
Sentence2: dew is formed when cooling  over night.
dew

Sentence1: safety goggles are used for protecting the eyes during experiments. 
Sentence2: Firm plastic eyeglasses or goggles are better.

goggles