casus
noun B2- spy
Forms you’ll meet
Tap for its suffix chain casusspy
ummy
The last vowel, u, is back and rounded, so the “my” ending is -um.
casusspy
larplural
The last vowel, u, is a back vowel, so the “plural” ending is -lar.
casusspy
uhis/her
ndain/at
The last vowel, u, is back and rounded, so the “his/her” ending is -u. After “his/her” or “their”, the ending takes an n: casusunda. The last vowel, u, is a back vowel, so the “in/at” ending is -nda.
casusspy
uhis/her
ylawith/by
The last vowel, u, is back and rounded, so the “his/her” ending is -u. After a vowel, y joins the ending: casusuyla. The last vowel, u, is a back vowel, so the “with/by” ending is -yla.
Learn casus in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.