- zealous, jie̍t-sim; pek-chhiet; huat-hún; tshut-la̍t.
- zenith, thiⁿ-téng.
- zephyr, huang-kiáⁿ; khin-huang; huang-kiáⁿ li-li.
- zigzag, tshũaⁿ-kùe-lâi tshũaⁿ-kùe-khṳ̀; in-uan khit-khek. to walk, tshũaⁿ-kiâⁿ.
- zinc, pe̍h-în.
- zodiac, n̂g-tãu.
- zone, tòa-tãu; sùaⁿ-lōu. temperate, un-tãu. frigid, hân-tãu.
- zoology, seⁿ-mue̍h tsóng-lũn.