阿媽[ama] amah (foreign maid or nursemaid working in east Asia)
阿媽港[amakou] Macau (Macao)

麺媽[menma] bamboo shoots boiled, sliced, fermented, dried or preserved in salt, then soaked in hot water and sea salt
媽姐揚[bosaage] ceremony performed by Chinese merchants disembarking in Nagasaki (Edo period)