共存，共同生活

1. coexistence, living together

noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru intransitive verb

共生

2. symbiosis

intransitive verb noun or participle which takes the aux. verb suru noun (common) (futsuumeishi) biology

伴生

3. paragenesis

noun (common) (futsuumeishi) intransitive verb noun or participle which takes the aux. verb suru geology