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: Viruses contain DNA but not much else. 
Sentence2: viruses contain encoded information but not much else.
Viruses

Sentence1: Fractures heal when osteoclasts form new bone. 
Sentence2: Fractures A fracture is a broken or cracked bone.
Fractures

Sentence1: Dilatation is the widening of the cervix using progressively wider metal rods. 
Sentence2: widening occurs when cell walls relax.

widening