The difference between bowl and port is: different references, different etymologies, different sources
I. Different references
1, bowl: a vessel made of ceramic, hard stone or metal similar to a basin but slightly smaller.
2. port: a word used in place names.
2, the etymology of the word is different
1, bowl: the shape of the sound, from the gold, the sound of this, the monk's eating utensils.
2, port: shaped sound, from the stone, this sound, the stone vessel for food.
Three, different sources
1, bowl: my bottle a bowl is enough. 清- 彭端淑《为学一首示子侄》(我只要一个瓶子和一个碗就足够)
2、砵:方言,闽北语,砵碗bo uaen (big bowl)