cardamon vs cardamom

cardamon and cardamom both are nouns.

Word	Noun	Adjective	Verb	Adverb
cardamon	Yes	No	No	No
cardamom	Yes	No	No	No

As nouns, cardamon and cardamom are synonyms defined as:

cardamon and cardamom: aromatic seeds used as seasoning like cinnamon and cloves especially in pickles and barbecue sauces

Other synonyms of cardamon include cardamum.

As nouns, cardamon and cardamom are synonyms defined as:

cardamon and cardamom: rhizomatous herb of India having aromatic seeds used as seasoning

Other synonyms of cardamon include Elettaria cardamomum.

cardamon (noun)	cardamom (noun)
aromatic seeds used as seasoning like cinnamon and cloves especially in pickles and barbecue sauces	aromatic seeds used as seasoning like cinnamon and cloves especially in pickles and barbecue sauces
rhizomatous herb of India having aromatic seeds used as seasoning	rhizomatous herb of India having aromatic seeds used as seasoning