sabah

As a noun sabah

is morning.

As a letter d is

the fourth letter of the.

As a numeral d is

cardinal number five hundred (500).

As a symbol d is

deuterium, when it needs to be distinguished from ordinary hydrogen.

As proper nouns the difference between sabah and bai

is that sabah is a state in eastern Malaysia located at the Northern part of the Borneo island with the main city Kota Kinabalu as its capital while Bai is {{surname}.

As proper nouns the difference between sabah and dusun

is that sabah is a state in eastern Malaysia located at the Northern part of the Borneo island with the main city Kota Kinabalu as its capital while Dusun is a tribe or ethnic and linguistic group in Sabah, Malaysia, with some similarities to the Kadazan.

As a noun Dusun is

a member of the Dusun.