younker vs hobbledehoy

younker and hobbledehoy both are nouns.

Word	Noun	Adjective	Verb	Adverb
younker	Yes	No	No	No
hobbledehoy	Yes	No	No	No

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

Other hyponyms of younker include blade, pup, puppy, pupil, school-age child, schoolchild, slip.

younker (noun)	hobbledehoy (noun)
a young person (especially a young man or boy)	an awkward bad-mannered adolescent boy