ambo vs rostrum

ambo and rostrum both are nouns.

Word	Noun	Adjective	Verb	Adverb
ambo	Yes	No	No	No
rostrum	Yes	No	No	No

As nouns, ambo and rostrum are synonyms defined as:

ambo and rostrum: a platform raised above the surrounding level to give prominence to the person on it

Other synonyms of ambo include dais, podium, pulpit, soapbox, stump.

ambo (noun)	rostrum (noun)
a platform raised above the surrounding level to give prominence to the person on it	beaklike projection of the anterior part of the head of certain insects such as e.g. weevils
	a platform raised above the surrounding level to give prominence to the person on it