| 28029 | Zimakani (Begua Dialect) | tiovɔ | | | Voorhoeve (1970) | |
| 148956 | Komba (Puleng River Dialect) | tirik tirik | | | Southwell (1976) | straight |
| 144581 | Bargam | titinon | | | Z'graggen (1980) | straight |
| 158036 | Nabak | tʌŋ | | | McElhanon and Voorhoeve (1970) | straight |
| 216574 | Doutai | tobusɛ | | | Clouse (1997) | |
| 216571 | Edopi | todə-beyi | | | Clouse (1997) | |
| 125778 | Isebe | tŒutŒuadi | | | Z'graggen (1980) | straight |
| 158033 | Timbe | tɔŋ | | | McElhanon and Voorhoeve (1970) | straight |
| 158034 | Selepet | tɔŋtɔŋ | | | McElhanon and Voorhoeve (1970) | straight |
| 157976 | Tifal | tool-kub | | | McElhanon and Voorhoeve (1970) | straight |
| 157977 | Telefol | tool-kub | | | McElhanon and Voorhoeve (1970) | straight |
| 157974 | Muyu, North | topoŋ-mo | | | McElhanon and Voorhoeve (1970) | straight |
| 157967 | Asmat, Central | toroot | | | McElhanon and Voorhoeve (1970) | straight |
| 157966 | Asmat, Central | toror | | | McElhanon and Voorhoeve (1970) | straight |
| 158027 | Kumukio | tororogo | | | McElhanon and Voorhoeve (1970) | straight |
| 158026 | Kinalakna | tororogo | | | McElhanon and Voorhoeve (1970) | straight |
| 157965 | Asmat, Central | torwot | | | McElhanon and Voorhoeve (1970) | straight |
| 216570 | Kirikiri | touia | | | Clouse (1997) | |
| 193851 | Wadaginam | tɨpita- | | | Z'graggen (1980) | straight |
| 158004 | Som | tʌrʌrʌ | | | McElhanon and Voorhoeve (1970) | straight |
| 158035 | Komba | tʌrʌrʌk | | | McElhanon and Voorhoeve (1970) | straight |
| 213872 | Som | tʌrʌrʌŋi | ŋ is fronted before [i] | | SIL (1968) | |
| 193846 | Mum | tʉtʉ | | | Z'graggen (1980) | straight |
| 125771 | Kare | tubukiʌ:ka | | | Z'graggen (1980) | straight |
| 125775 | Kein | tu:gi anaw | | | Z'graggen (1980) | straight |
| 125774 | Munit | tugu | | | Z'graggen (1980) | straight |
| 125772 | Girawa | tuku | | | Z'graggen (1980) | straight |
| 181641 | Sumau | tuku | | | Z'graggen (1980) | straight |
| 158002 | Yau (Sindamon Dialect) | tumbupmɔ | | | McElhanon and Voorhoeve (1970) | straight |
| 158049 | Gizrra | tümtüma | | | McElhanon and Voorhoeve (1970) | straight |
| 125789 | Mosimo | tumtumu | | | Z'graggen (1980) | straight |
| 144606 | Parawen | tuntuña | | | Z'graggen (1980) | straight |
| 125788 | Nake | turugu | | | Z'graggen (1980) | straight |
| 125783 | Rapting | turuk | | | Z'graggen (1980) | straight |
| 206765 | Proto-Mabuso | *turuk | | | Ross (2014) | straight |
| 212726 | Proto-South-Adelbert | *tururu | | | Ross (2014) | |
| 209214 | Proto-Madang | *tururugu | | | Ross (2014) | straight |
| 209091 | Proto-Trans-New-Guinea | *turu(ru)gu | | | Ross (2014) | straight |
| 193845 | Sileibi | turusɨmba | | | Z'graggen (1980) | straight |
| 216575 | Waritai | tutɛ | | | Clouse (1997) | |
| 125777 | Gumalu | tutu | | | Z'graggen (1980) | straight |
| 125776 | Sihan | tutu | | | Z'graggen (1980) | straight |
| 125780 | Amele | tutuʔ | | | Z'graggen (1980) | straight |
| 125782 | Panim | tutuadi | | | Z'graggen (1980) | straight |
| 125779 | Isebe | tʰutʰuadi | | | Z'graggen (1980) | straight |
| 181644 | Uya | tutugu | | | Z'graggen (1980) | straight |
| 209096 | Proto-Mabuso | *[tu]tugu | | | Ross (2014) | straight |
| 125781 | Bau | tutuh | | | Z'graggen (1980) | straight |
| 125801 | Nobonob | tutuku- | | | Z'graggen (1980) | straight |
| 144603 | Yaben | tutuñɛ | | | Z'graggen (1980) | straight |
