Voiced bilabial stop /b/ — B as in "bat"; distinct from the prenasalized mb
Voiceless palato-alveolar affricate /tʃ/ — CH as in "church"; a digraph in Tumbuka orthography representing a single phoneme
Voiced alveolar stop /d/ — D as in "dog"; distinct from the prenasalized nd
Voiceless labiodental fricative /f/ — F as in "fun"
Voiced velar stop /ɡ/ — G as in "go"; distinct from the prenasalized ng
Voiceless glottal fricative /h/ — H as in "house"
Voiced palato-alveolar affricate /dʒ/ — J as in "jam"; the voiced counterpart of ch
Voiceless velar stop /k/ — K as in "kite"; distinct from the aspirated kh and prenasalized nk; Tumbuka: khumi (ten) begins with k
Aspirated voiceless velar stop /kʰ/ — K with a strong puff of air; like KH in aspirated Bantu consonants; Tumbuka: khumi (ten) begins with this sound
Alveolar lateral approximant /l/ — L as in "lamp"
Bilabial nasal /m/ — M as in "mother"; in Tumbuka, m also functions as a syllabic nasal and as the first element in prenasalized consonants
Prenasalized voiced bilabial stop /ᵐb/ — a single phoneme, not two consonants; the nasal onset and the stop are fused; absent from English but common in Bantu languages
Prenasalized voiced palato-alveolar affricate /ᵐdʒ/ — a single phoneme combining nasal onset with j-sound; a characteristic Tumbuka consonant cluster
Prenasalized voiceless bilabial stop /ᵐp/ — a nasal onset followed by the p stop; a single phoneme in Tumbuka phonology
Labialized bilabial nasal /mw/ — M produced with simultaneous lip rounding; a labialized nasal found in many Bantu languages
Alveolar nasal /n/ — N as in "night"; also functions as a syllabic nasal and first element in prenasalized consonants
Prenasalized voiced alveolar stop /ⁿd/ — a single phoneme, not the sequence N+D; nasal onset fused with the alveolar stop; the most common prenasalized consonant type in Bantu
Prenasalized voiced velar stop /ᵑɡ/ — a single phoneme with nasal onset and velar stop; sounds like "ng" in English "finger" (as one phoneme, not a sequence)
Prenasalized voiced palato-alveolar affricate /ⁿdʒ/ — nasal onset fused with the j-affricate; a single phoneme in Tumbuka
Prenasalized voiceless velar stop /ᵑk/ — nasal onset before the k stop; a characteristic Bantu phoneme
Prenasalized voiceless alveolar stop /ⁿt/ — nasal onset before the t stop; a single phoneme in Tumbuka phonology
Palatal nasal /ɲ/ — NY as in "canyon"; a single consonant despite being written as two letters; very common in Bantu languages across the continent
Prenasalized voiced alveolar fricative /ⁿz/ — nasal onset before the z fricative; found in the numeral vinai (four) and other Tumbuka words
Voiceless bilabial stop /p/ — P as in "pin"; distinct from the aspirated ph and prenasalized mp
Aspirated voiceless bilabial stop /pʰ/ — P with a strong puff of air; a digraph representing a single aspirated phoneme
Alveolar trill or flap /r/ or /ɾ/ — R-sound; in Tumbuka, r appears in word-medial and word-final positions
Voiceless alveolar fricative /s/ — S as in "sun"
Voiceless alveolar stop /t/ — T as in "top"; distinct from aspirated th and prenasalized nt; Tumbuka: vitatu (three) contains this consonant
Aspirated voiceless alveolar stop /tʰ/ — T with a strong puff of air; in Tumbuka, th is a single aspirated phoneme, not the English TH sound
Voiced labiodental fricative /v/ — V as in "very"; Tumbuka: vitatu (three), vinai (four), visanu (five) all begin with v (the noun-class prefix vi-)
Labio-velar approximant /w/ — W as in "water"
Palatal approximant /j/ — Y as in "yes"; distinct from the affricate j (/dʒ/)
Voiced alveolar fricative /z/ — Z as in "zoo"