Kɔmi ɛtnɔlɔgi ka laɲnita yɛ jamakulu ka ɲayirilifɛnw mu nun tɛ kɛlɛn yɛ, kɛwalɛw, alalɔnw, ani kanw franfasili ani ɲnafɔli yɛ, Harris, (1968), Agar fɛnɛ (1980) ya sibɛntiya ka fɔkɔ ɛtnɔlɔji yɛ prɔsisi ani sɛgɛsɛgɛli jabi yɛ.