- பெயர் எச்சம்Peyar EchamAn எச்சம் type: பெயரெச்சம் is an incomplete verb form that qualifies a following noun, working like a relative clause ("who/which ...") folded into a single word.
- வினை எச்சம்Vinai EchamAn எச்சம் type: வினையெச்சம் is an incomplete verb form ("having done...") that links one action to the next within a single sentence, letting Tamil chain several actions together before the final main verb.