How do you pronounce 頭牙?

Q: How do you pronounce 頭牙? A: tau4 ngaa4, e.g.

頭牙 (tau4 ngaa4) — meaning, pronunciation, examples

頭牙 (tau4 ngaa4, tóu yá) — prayer to the God of land on the second day of the second month in Chinese calendar

頭一次 (tau4 jat1 ci3) — the first time
頭位 (tau4 wai2) — head position; the first in line
頭先 (tau4 sin1) — (conjunction) before; (adverb) a moment before; a moment ago; just now
頭刺 (tau4 cek3) — headache
頭啖湯 (tau4 daam6 tong1) — the early bird gets the worm (spoken)
頭大冇腦 (tau4 daai6 mou5 nou5) — dumb; nobhead (spoken)