3rd Declension IStems

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Lesson 16

• 3rd Declension I-Stems

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When is 3rd Declension Masc. and Fem. I-Stem?

• Masculine or Feminine, one of the following must
  apply
• Nom. Gen. have same number of syllables
• Nom. ends in -ns or -rs
• Nom. is one syllable and base ends in 2 consonants

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What Does M F I-Stem Mean?

• Genitive plural -ium, not -um

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3rd or 3rd I-Stem?

• arx, arcis citadel, castle

3rd i-stem
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3rd or 3rd I-Stem?

• arbor, arboris tree

3rd
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3rd or 3rd I-Stem?

• caedes, caedis slaughter

3rd i-stem
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3rd or 3rd I-Stem?

• arx, arcis citadel, castle

3rd i-stem
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3rd or 3rd I-Stem?

• caedes, caedis slaughter, murder

3rd i-stem
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3rd or 3rd I-Stem?

• navis, navis ship

3rd i-stem
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3rd or 3rd I-Stem?

• urbs, urbis city

3rd i-stem
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3rd or 3rd I-Stem?

• imber, imbris rainstorm, shower

3rd i-stem
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3rd or 3rd I-Stem?

• clamor, clamoris shout

3rd
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3rd or 3rd I-Stem?

• soror, sororis sister

3rd
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3rd or 3rd I-Stem?

• mors, mortis death

3rd i-stem
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3rd or 3rd I-Stem?

• parens, parentis parent

3rd i-stem
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When is 3rd Declension Neuter I-Stem?

• Neuter, nominative must end in
• -e
• -al
• -ar

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What Does N. I-Stem Mean?

• Much like 3rd Adjectives
• Genitive plural -ium, not -um
• Ablative singular -i, not -e
• Nom. and Acc. Pl -ia, not -a

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3rd or 3rd I-Stem?

• mare, maris sea

3rd i-stem
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3rd or 3rd I-Stem?

• tempus, temporis time

3rd
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3rd or 3rd I-Stem?

• animal, animalis animal

3rd i-stem
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Practice

• Decline caedes, caedis f.

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Practice

• Decline animal, animalis n.

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Practice

• Decline arbor, arboris f.

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Completely Irregular

• Decline vis, vis f. force