Table 1.

a) Coronal contrasts in Russian. b) Reflexes of the Proto-Slavic trill (adapted from Carlton, 1991).

Table 1a
	Apical	(alveo-)palatal
voiceless stop	t tj
voiced stop	d dj
voiceless affricate	ts	tʃ
voiceless fricative	s sj	ʃʃj:
voiced fricative	z zj	ʒ
glide		j
nasal	n nj
lateral	l lj
trill	r rj

Table 1b
Proto-Slavic		rj	r
East Slavic	Russian	+	[r]
	Belarusian	−	[r]
	Ukrainian	±	[r]
West Slavic	Polish	[ʒ]	[r]
	Czech	[r⊥]	[r]
	Slovak	−	[r]
	Upper Sorbian	±	[r] or [R]
	Lower Sorbian	+	[r] or [R]
South Slavic	Slovenian	[rj]	[r]
	Serbian	−	[r]
	Croatian	−	[r]
	Macedonian	−	[r]
	Bulgarian	±	[r]

Palatalization

+ still present in all environments

− entirely lost

± partially lost