Differences between Written & Spoken Subject Pronouns:
| Pronoun (English) | Pronoun (Written Tamil) | Pronoun (Spoken Tamil) |
| I | நான் | நா(ன்) |
| you (singular / familiar) | நீ | same |
| you (plural / respectful) | நீங்கள் | நீங்க(ள்) |
| we | நாங்கள் / நாம் | நாங்க(ள்) / நாம |
| he | அவன் | same |
| he (near) | இவன் | same |
| she | அவள் | அவ(ள்) |
| she (near) | இவள் | இவ(ள்) |
| he/she | அவர் | அவர் / அவரு |
| he/she (near) | இவர் | இவர் / இவரு |
| they | அவர்கள் | அவங்க(ள்) |
| they (near) | இவர்கள் | இவங்க(ள்) |
| that | அது | same |
| this | இது | same |
| those animals/things | அவை | same |
| these animals/things (near) | இவை | same |
Differences between Written & Spoken Case Suffixes:
| Tamil | English | Significance | Written Suffixes | Spoken Suffixes |
| First case | Nominative | Subject of sentence | [Zero] | [Zero] |
| Second case | Accusative | Object of action | -āi | -e |
Third case | Instrumental | Means by which action is done | -āl | -āle -ōdu |
| Social | Association, or means by which action is done | -ōtu | -ōdu -kūda | |
| Fourth case | Dative | Object to whom action is performed | (u)kku | -(u)kka -ikki |
| Object for whom action is performed | (u)kk-āka | (u)kk-āka | ||
| Interiority, proximity, no contact | N/A | -(u)kk-uḷḷe -(u)kku + ppos. | ||
| Fifth case | Ablative of Motion from | Motion from (an inanimate object) | -il, -iṉiṉru, -iliruntu, -iruntu | -lerundu -rundu |
| Motion from (an animate object) | –iṭattiliruntu | kiṭṭerundu | ||
| Sixth case | Genitive | Possessive | [Zero] -in, -uțaiya, -iṉuțaiya | [Zero] -ōdu, -ōde |
| Proximate with contact | N/A | postpositions | ||
| Seventh case | Locative | Place in which | -il | -le |
| On the person of (animate); in the presence of; | itam | kiṭṭe | ||
| Eighth case | Vocative | Addressing, calling | ē, ā | ē, ā |