Use the last letter

[Johnny Novgorod]

Niagara

 

[thesilentman]

Nitrogen.

 

[DotSlash]

Nirvana.

 

[thesilentman]

Ascetic.

 

[UltraDeth]

Cyclone

 

[Goofguy]

Envision

 

[Scarim Coral]

Necromancer

 

[Yuno Gasai]

Relapse.

 

[Hemlock]

Evil

 

[Yuno Gasai]

Lust.

 

[Eclipse Dragon]

Teeth

 

[UltraDeth]

Hyperbole

 

[Eclipse Dragon]

Elephant

 

[UltraDeth]

Transept

 

[Troublesome Lagomorph]

Carnivore.

 

[PsychicTaco115]

Existentalism

 

[thesilentman]

Mast.

 

[Anti-American Eagle]

Together

 

[Scarim Coral]

River

 

[Troublesome Lagomorph]

Rise.