The Zulu term "ishumi nantathu" matches the English term "thirteen"
| other zulu words that include "ishumi" : | english : |
|---|---|
| ishumi nesishiyagalombi | eighteen |
| ishumi nanye | eleven |
| ishumi nesihlanu | fifteen |
| yishumi nane | fourteen |
| ishumi nesikhombisa | seventeen |
| ishumi nesithupha | sixteen |
| ishumi | ten |
| yishumi nambili | twelve |