labial (upper or lower lip, or both, required) | dental (contact of tongue with teeth required) | palatal (tongue and hard roof of the mouth, the palate, required) | velar (back part of tongue and soft part of roof of the mouth mouth required) | labiovelar (rounded lips AND back part of the tongue and soft part of roof of the mouth required) | ||||||
voiceless (vocal cords do not vibrate to produce this sound) | *p |
Armenian: h Avestan: p English: f Greek: p Latin: p Lithuanian: p Sanskrit: p Welsh: -- |
*t |
Armenian: tc Avestan: t English: th Greek: t Latin: t Lithuanian: t Sanskrit: t Welsh: t |
*ḱ as in Tokyo (further forward in mouth than regular /k/) |
Armenian: s Avestan: s English: h Greek: k Latin: k (often spelled c) Lithuanian: š Sanskrit: ś Welsh: c |
*k |
Armenian: kc Avestan: k English: h Greek: k Latin: k (spelled mostly with c) Lithuanian: k Sanskrit: k Welsh: c |
*kw |
Armenian: kc Avestan: k English: wh Greek: p Latin: qu Lithuanian: k Sanskrit: k Welsh: p |
voiced (vocal cords vibrate to produce this sound) | *b |
Armenian: p Avestan: b English: p Greek: b Latin: b Lithuanian: b Sanskrit: b Welsh: b |
*d |
Armenian: t Avestan: d English: t Greek: d Latin: d Lithuanian: d Sanskrit: d Welsh:d |
*ǵ as in argue (further forward in mouth than regular /g/) |
Armenian: c Avestan: z English: k (often spelled c) Greek: g Latin: g Lithuanian: ž Sanskrit: j Welsh:g |
*g |
Armenian: k Avestan: g English: k (often spelled with c) Greek: g Latin: g Lithuanian: g Sanskrit: g Welsh:g |
*gw |
Armenian: k Avestan: g English: qu Greek: b Latin: u/v (but pronounced /w/) Lithuanian: g Sanskrit: g Welsh: b |
voiced aspirated (vocal cords vibrate and a push of air out is required to produce this sound) | *bh |
Armenian: b Avestan: b English: b Greek: ph Latin: f Lithuanian: b Sanskrit: bh Welsh:b |
*dh |
Armenian: d Avestan: d English: d Greek: th Latin: f Lithuanian: d Sanskrit: dh Welsh: d |
*ǵh |
Armenian: j Avestan: z English: g Greek: kh Latin: h Lithuanian: ž Sanskrit: h Welsh:g |
*gh |
Armenian: g Avestan: g English: g Greek: kh Latin: h Lithuanian: g Sanskrit: gh Welsh: g |
*gwh |
Armenian: g Avestan: g English: b Greek: ph Latin: f Lithuanian: g Sanskrit: gh Welsh:g |
In centum
languages, the palatals and velars merged into k, g,
and gh |
||||||||||
In |
satem languages, the |
velars |
and labiovelars merged into k, g, and
gh |