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.

Q: Sentence1: soil is formed by weathering. 
Sentence2: Something described as loamy is formed by weathering.

A: formed
****
Q: Sentence1: the mass of a planet causes the pull of gravity on that planet. 
Sentence2: the mass of a planet is what causes things to have weight.

A: mass
****
Q: Sentence1: conserving water can be used for survival in a dry environment. 
Sentence2: Also, camels conserve their water.

A:
conserving
****