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: Light is the visible form of electromagnetic energy. 
Sentence2: Electromagnetic energy enters the eye through an opening called the pupil.

A: electromagnetic
****
Q: Sentence1: Insects spread disease and destroy crops. 
Sentence2: Crops are plants that are grown for food or other uses.

A: crops
****
Q: Sentence1: Growth is faster during infancy than it is during puberty. 
Sentence2: Humans experience their fastest growth rate during fetal development and early infancy.

A:
infancy
****