2ND DECLENSION (in –us, -er) If the nominative singular ends in –er, all the other endings are added after this instead of replacing it. The `e’ is retained in words like puer (puerum, puerī etc.) but dropped in those like ager (agrum, agrī etc.)

SINGULAR (MASCULINE) Nominative Accusative Genitive Dative Ablative VARIOUS subject Accusative um object Genitive ī of _____ Dative ō to/for ______ Ablative ō by/with/from _________

PLURAL Nominative Accusative Genitive Dative Ablative ī subject ōs object Genitive ōrum of _____ Dative īs to/for ______ Ablative īs by/with/from _________

equō

to/for horse by/with/from horse

servō

to/for slave by/with/from slave

dominum

master (obj)

gladiîs

to/for swords by/with/from swords

cibus

food (subj)

amīcīs

to/for friends by/with/from friends

lupī

wolves (subj) of wolf

porcum

pig (obj)

crocodīlus

crocodile (subj)

medicōrum

of doctors

magistrōs

teachers (obj)

puerum

boy (obj)

servōs

slaves (obj)

cibum

food (obj)

gladiōs

swords (obj)

lupîs

to/for wolves by/with/from wolves

amīcus

friend (subj)

porcō

to/for pig by/with/from pig

crocodīlōs

crocodiles (obj)

puerōs

boys (obj)

agrum

field (obj)

equōrum

of horses

agrîs

to/for fields by/with fields

equum

horse (obj)

magistrī

teachers (subj) of teacher

gladium

sword (obj)

crocodīlus

crocodile (subj)

servus

slave (subj)

discipulum

student (obj)

puerō

for/by boy by/with/from boy

medicōs

doctors (obj)

agrī

fields (subj) of field

equī

horses (subj) of horse

gladium

sword (obj)

dominōrum

of masters

medicī

doctors (subj) of doctor

puerīs

to/for boys by/with/from boys

magister

teacher (subj)

medicōrum

of doctors

lupīs

to/for wolves by/with wolves

fīlius

son (subj)

puerōrum

of boys

fīlium

son (obj)

domine

master (voc)

agrōrum

of fields

fīliī

of son sons (subj)

lupe

wolf (voc)

serve

slave (voc)

gladiōrum

of swords