| 23921 | Boumaa Fijian | e | | | Dixon (1988) | |
| 45889 | Jamamadí (Jarawara Dialect) | ∅ | | | Dixon (2004) | |
| 24069 | Komnzo | ɸi | | | Doehler () | |
| 24133 | Mblafe | ɸɪ | | | Doehler, Christian () | |
| 24201 | Kunja / Bondobol | ɸɪ | | | Doehler spreadsheet | |
| 54843 | Zulu | wona | | | Doke (1927) | |
| 23205 | Ngiyambaa | =naN- | | | Donaldson (1980) | |
| 23204 | Ngiyambaa | =niN- | | | Donaldson (1980) | |
| 42581 | Wipim | ton | | | Dondorp and Shim (1997) | |
| 34818 | Tukang Besi | ia | | | Donohue (1997) | |
| 34584 | Tobati | nti | | | Donohue (2002) | |
| 40448 | Skou | pe | | | Donohue (2011) | |
| 40400 | I'saka | wepu | | | Donohue and San Roque (2004) | |
| 43669 | Bantawa | kʰo | | | Doornenbal (2009) | |
| 56551 | Logba (Alakpeti Dialect) | iyɛ́ | | | Dorvlo (2008) | |
| 26064 | Watjarri | palu | | | Douglas (1981) | |
| 31708 | Kamoro | are | | | Drabbe (1953) | |
| 42121 | Biangai | pi | | | Dubert and Dubert (1978) | |
| 52393 | Awa-Cuaiquer | us | | | Duẽnas (2000) | |
| 50253 | Rapa Nui | ia | | | Du Feu (1996) | |
| 48921 | Turkmen | ol | | | Dulling (1960) | |
| 47549 | Badimaya (Southern Dialect) | balu | | | Dunn (1988) | |
| 47501 | Badimaya (Northern Dialect) | balu | | | Dunn (1988) | |
| 60350 | Alladian | ne˧ | | | Duponchel (1983) | |
| 42409 | Koitabu | auka | | | Dutton (1975) | |
| 61746 | Bukawa | iŋ | | | Eckermann (2007) | |
| 25636 | Tolaki | ieʔi | | | Edwards (2012) | |
| 25635 | Tolaki | iee | | | Edwards (2012) | |
| 35669 | Sanskrit | tat | | | Egenes (2006) | |
| 33084 | Paiwan | timaju | | | Egli (1990) | |
| 58027 | Kulango, Bouna | xɔ˩ | | | Elders (2008) | |
| 54795 | Igbo | ya | | | Emenanjo (1987) | |
| 57259 | Fali | e | | | Ennulat and Ennulat (1971) | |
| 48681 | Iraqi Arabic | hijja | | | Erwin (1963) | |
| 23664 | German | zi: | | | Evans () | |
| 23847 | Italian | lei | | | Evans () | |
| 22254 | Kayardild | niya | | | Evans (1995) | |
| 22915 | Bininj Gun-wok | nuŋka | | | Evans (2003) | |
| 26132 | Neme | bæ | | | Evans (2012) | |
| 22184 | Nen | bä | | | Evans (2013) | |
| 22551 | Idi | bo | | | Evans (2013) | |
| 35960 | Nen | bä | | | Evans (2013) | |
| 22326 | Nambu | bä | | | Evans (2013) | |
| 43334 | Ende | bogo | | | Evans (2014) | |
| 49929 | Teop | eve | The forms 'e' and 'ee' also exist. | | Evans (2015) | |
| 49881 | Torau | 0 | | | Evans (2015) | |
| 49977 | Bannoni | nna | | | Evans (2015) | |
| 50025 | Mono | ∅ | | | Evans (2015) | |
| 59601 | Nama | ɸæ | | | Evans et al (2017) | |
| 59409 | Arammba (Setavi Dialect) | bi | | | Evans et al (2017) | |
