The plural form of belief is

• Believes

• Believe

• Belifives

• Beliefs

Plural form of radius and axis

• Radiuses and axises

• Radiu and axii

• Radii and axes

• Axissess and radiusess

Singular form of dwarf is

• Dwarvr

• Dwarv

• Dwarve

• Dwarves

Plural form of spectacle

• Spectacles

• Spectaculars

• Spectacle

• Spectiies

Trousers is

• Singular

• Plural

• Singular and plural both

• None of these

The singular form of geese

• Gusee

• Gosee

• Geesei

• Geese

Plural form of army

• Armes

• Armyss

• Armies

• Armeis

Plural of Wolf

Plural form of emphasis

Singular form of lice