tyro vs tiro

tyro and tiro both are nouns.

Word	Noun	Adjective	Verb	Adverb
tyro	Yes	No	No	No
tiro	Yes	No	No	No

As nouns, tyro and tiro are synonyms defined as:

Other synonyms of tyro include beginner, initiate, novice.

tyro (noun)	tiro (noun)
someone new to a field or activity	someone new to a field or activity