Other treatments have posited biological invasions Invasion of the Body Snatchers, or cultural invasion The Uplift Wars[?] by David Brin.
... kh, g, gh, n as in ing) Palatal (hard palate[?]) (c, ch, j, jh, ~n) Retroflex[?] (roughly the place of articulation of English alveolars like t, but with the tong ...