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: Plants use unsaturated fatty acids to store energy. 
Sentence2: Plants and fish contain fatty acids.
Plants

Sentence1: To keep cut flowers lasting longer, use a commercial florist preservative such as Floralife. 
Sentence2: Dehydrating food is used to make it last longer.
lasting

Sentence1: Cuticle helps prevent water loss, abrasions, infections, and damage from toxins. 
Sentence2: The upper epidermis has a layer which helps prevent water loss, abrasions, infections, and damage from toxins.

abrasions