sodomy vs sexual practice

sodomy and sexual practice both are nouns.

Word	Noun	Adjective	Verb	Adverb
sodomy	Yes	No	No	No
sexual practice	Yes	No	No	No

As nouns, sexual practice is a hypernym of sodomy; that is, sexual practice is a word with a broader meaning than sodomy:

Other hypernyms of sodomy include sex, sex activity, sexual activity.

sodomy (noun)	sexual practice (noun)
intercourse via the anus, committed by a man with a man or woman	activities associated with sexual intercourse
sexual activity between a person and an animal