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.
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Question: Sentence1: Most fungi get organic compounds from dead organisms.
Sentence2: Moulds, yeasts, rusts, smuts, mildews, and mushrooms are all types of fungi.

Answer: fungi

Question: Sentence1: if soil is permeable then water easily flows through that soil.
Sentence2: The increase in permeability is caused by the formation and expansion of ice in the soil.

Answer: permeable

Question: Sentence1: Metastatic cancer is cancer that has spread.
Sentence2: a disease that can be metastic occurs when the cell cycle is no longer regulated.

Answer:
Metastatic