ecdysteroid vs steroid hormone

ecdysteroid and steroid hormone both are nouns.

Word	Noun	Adjective	Verb	Adverb
ecdysteroid	Yes	No	No	No
steroid hormone	Yes	No	No	No

As nouns, steroid hormone is a hypernym of ecdysteroid; that is, steroid hormone is a word with a broader meaning than ecdysteroid:

ecdysteroid: #DD: The name 'ecdysteroid' refers to the insect moulting and sex hormones which include ecdysone and its homologues such as 20-hydroxyecdysone.
steroid hormone: any hormone affecting the development and growth of sex organs

Other hypernyms of ecdysteroid include sex hormone, steroid.

ecdysteroid (noun)	steroid hormone (noun)
#DD: The name 'ecdysteroid' refers to the insect moulting and sex hormones which include ecdysone and its homologues such as 20-hydroxyecdysone.	any hormone affecting the development and growth of sex organs