We don't have synonyms for quivers yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are quiver, quivery and quavers.
"1593: The birds chauntmelody on every bush, The snake lies rolled in the cheerful sun, The green leaves quiver with the cooling wind And make a checker'd shadow on the ground. &mdash"
"1598: ... there was a little quiver fellow, and 'a would manage you his piece thus; and 'a would about and about, and come you in and come you in. — William Shakespeare, Henry V, Part II, Act III, Scene II, line 281."
"1593: The birds chauntmelody on every bush, The snake lies rolled in the cheerful sun, The green leaves quiver with the cooling wind And make a checker'd shadow on the ground. &mdash"
"1598: ... there was a little quiver fellow, and 'a would manage you his piece thus; and 'a would about and about, and come you in and come you in. — William Shakespeare, Henry V, Part II, Act III, Scene II, line 281."