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.

[EX Q]: Sentence1: Spikes are forceful the tidal waves of electric current. 
Sentence2: spikes come from tidal energy.
[EX A]: Spikes

[EX Q]: Sentence1: Temperature Scales Temperature is the energy of vibration. 
Sentence2: a thermometer is used to measure energy of vibration.
[EX A]: energy

[EX Q]: Sentence1: a stove is used for cooking by generating heat. 
Sentence2: A stove is used for cooking by heating the air.
[EX A]:
cooking