howdah vs houdah

howdah and houdah both are nouns.

Word	Noun	Adjective	Verb	Adverb
howdah	Yes	No	No	No
houdah	Yes	No	No	No

As nouns, howdah and houdah are synonyms defined as:

howdah and houdah: a (usually canopied) seat for riding on the back of a camel or elephant

howdah (noun)	houdah (noun)
a (usually canopied) seat for riding on the back of a camel or elephant	a (usually canopied) seat for riding on the back of a camel or elephant