"allogenetic" . "Sprachbund" . "sprachbund concept" . "linguistic area" . "geographically" . "crossroads" . "area of linguistic convergence" . . "convergence area" . . "culturally shared" . . "linguistic areas" . . "areal" . "areal genetic unit" . "ensemble" . "sprachbunds" . "philological province" . . "prolonged cohabitation" . "areal diffusion" . "areal group" . . "South Asian Sprachbund" . "diffusion" . "language area" . "Northeast Asian sprachbund" . . "areal influence" . "areal trend" . "language areas" . "speech communities" . . . "areal network" . "areal-linguistics" . "Sprachbund" . "sprachbund" . "India as a Linguistic Area" . "borrowed them" .