συνθλάωsynthláō

to crush together, crush: Matthew 21:44, Luke 20:18.

Greek (New Testament) · G4917

Same root

σύνsýn · G4862with or together (but much closer than G3326 (μετά) or G3844 (παρά)), i.e. by association, companionship, process, resemblance, possession, instrumentality, addition, etc.

Where it appears

Appears 2 times in the Bible.

Matthew 21:44 Anyone who stumbles over that stone will be broken to pieces, and it will crush anyone it falls on.”
Luke 20:18 Everyone who stumbles over that stone will be broken to pieces, and it will crush anyone it falls on.”

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.