Advanced Tongue Root (ATR), accent, alveolar, approximant, assimilation, compound word, consonant, floating tone, glottal, glide, implosive, International Phonetic Alphabet (IPA), labial, labiovelar, language game, larynx, nasalized vowel, obstruent, oral vowel, palatal, palate, pharynx, phoneme, phonological feature, phonology, sonorant, stop, syllable, tier, tone, velar, velum, vocabulary size, vowel, vowel height, word.