Froggy Jumps Unusual 3rd decl. nouns: Repeat for different set of questions.Online version Some exceptions are tricky, especially if you don't come across them often. This might help! by Robin Schweitzer 1 acc. of Iuppiter a Iovem b Iovis c Iuppatrem 2 dat. abl. plur. of bos, ox a bovibus b bibus c bobus 3 gen. of grus, crane a gruis b gruris c gri 4 gen. of iter a itineris b iteris c 5 gen. of suppellex, furniture a suppelecis b supplexis c suppellectilis 6 gen. of iusiurandum, oath a iusiurandi b iusiurandis c iurisiurandi 7 gen. of paterfamilias a patrisfamilias b patrisfamiliae c paterfamiliae 8 dapem, feast lacks which case in sing? a dat. sing b nom. sing c gen. sing 9 frugem, fruit lacks which case in sing? a dat. sing. b nom. sing. c abl. sing. 10 help. opem, lacks which case in sing, besides dative? a gen. sing. b abl. sing. c nom. sing. 11 precem, prayer, lacks which case in sing, besides genitive? a dat. sing. b abl. sing. c nom. sing. 12 change, vicem, lacks which case in singular, besides dative? a gen. sing. b abl. sing. c nom. 13 which word is valid? a iussum, acc. order b iussu, by order c iussi, of an order 14 which word is valid? a noctus, night b noctu, by night c noctui, to a night 15 fas, right or nefas, wrong has what cases only? a nom. and acc. sing. b abl. sing. c gen. sing