camel vs dromedary

camel and dromedary both are nouns.

Word	Noun	Adjective	Verb	Adverb
camel	Yes	No	No	No
dromedary	Yes	No	No	No

As nouns, dromedary is a hyponym of camel; that is, dromedary is a word with a more specific, narrower meaning than camel:

camel: cud-chewing mammal used as a draft or saddle animal in desert regions
dromedary: one-humped camel of the hot deserts of northern Africa and southwestern Asia

Other hyponyms of camel include Arabian camel, Camelus dromedarius, Bactrian camel, Camelus bactrianus.

camel (noun)	dromedary (noun)
cud-chewing mammal used as a draft or saddle animal in desert regions	one-humped camel of the hot deserts of northern Africa and southwestern Asia