coarticulate

Etymology

co- + articulate

verb

1. To articulate two things simultaneously.
2. (anatomy) To unite to form an articulation (joint)
3. (phonology) To assimilate the place of articulation of one speech sound to that of an adjacent speech sound.
4. (phonetics) To articulate a speech sound at two different places of articulation simultaneously, as in the labiovelar approximant [w].