Page "Consonant" Paragraph 9

The other problematic area is that of syllabic consonants, segments articulated as consonants but occupying the nucleus of a syllable.

This may be the case for words such as church in rhotic dialects of English, although phoneticians differ in whether they consider this to be a syllabic consonant,, or a rhotic vowel,: Some distinguish an approximant that corresponds to a vowel, for rural as or ; others see these as a single phoneme,.