Substrat russian
подло́жка
substrate
субстра́т
substance, substratum
подпо́чва
subsoil, substratum
субстратосфе́ра
substratosphere
подстила́емый
underlying, substratal, being laid under
substrate
substance, substratum
subsoil, substratum
substratosphere
underlying, substratal, being laid under