Verbs

(v)interpenetrate, permeatepenetrate mutually or be interlocked“The territories of two married people interpenetrate a lot”
(v)permeate, pervade, penetrate, interpenetrate, diffuse, imbue, riddlespread or diffuse through“An atmosphere of distrust has permeated this administration”, “music penetrated the entire building”, “His campaign was riddled with accusations and personal attacks”