Words that come from Old Church Slavonic “-ьникъ”
11 words across 3 languages descend from Old Church Slavonic -ьникъ — including свештеник, свѧщеникъ, неправьдьникъ, sveštenik, безградьникъ, безмьздьникъ, молитвьникъ, кънижьникъ.
See the etymology of -ьникъ itself →