THESAURUS
retroflex
accented, allophone, alveolar, apical, apico-alveolar, apico-dental, arch, articulated, articulation, aspiration, assimilated, assimilation, back, backslide, barytone, bend, bend back, bilabial, bow, broad, cacuminal, central, cerebral, check, checked, close, cock, consonant, consonantal, continuant, crook, curl, curve, decurve, deflect, dental, diphthong, dissimilated, dissimilation, dome, dorsal, embow, epenthetic vowel, explosive, fall astern, fall behind, flat, flex, front, get behind, glide, glossal, glottal, glottalization, go backwards, go behind, guttural, hard, heavy, high, hook, hump, hunch, incurvate, incurve, inflect, intonated, jerk back, labial, labialization, labiodental, labiovelar, lapse, laryngeal, lateral, lax, light, lingual, liquid, loop, lose ground, low, manner of articulation, mid, modification, monophthong, monophthongal, morphophoneme, mute, muted, narrow, nasal, nasalized, occlusive, open, oxytone, palatal, palatalized, parasitic vowel, peak, pharyngeal, pharyngealization, pharyngealized, phone, phoneme, phonemic, phonetic, phonic, pitch, pitched, plosive, posttonic, prothetic vowel, pull back, recede, recidivate, recurve, reflect, reflex, regress, relapse, retrocede, retrograde, retrogress, return, revert, round, rounded, sag, segmental phoneme, semivowel, slip back, soft, sonant, sonority, speech sound, stop, stopped, stressed, strong, surd, swag, sweep, syllabic, syllabic nucleus, syllabic peak, syllable, tense, thick, throaty, tonal, tonic, transition sound, triphthong, turn, twangy, unaccented, unrounded, unstressed, vault, velar, vocable, vocalic, vocoid, voice, voiced, voiced sound, voiceless, voiceless sound, voicing, vowel, vowellike, weak, wide, wind