"Back
rounded" . "-Back" . "Back" . . "backed" . . "darker" . "Back vowel" . "Velar" . "[-back]" . "Back
unrounded" . "back ones" . . "Back vowel" . "BACK" . "back starting points in the mouth" . "''back'' vowels" . "Non-front" . "Back
unround." . "Back
round." . "back" . . . "Back
vowel" . . . . . . "backness" . . "Back" . "back vowels" . "Posterior" . . "'''Back'''" . . "back vowel" . "backer tongue positioning" . "[+back]" . "non-front vowels" . "back-vocalic" .