Last two letters start the next word

[Xwordman]

Stop

 

[xBirdiex]

optimum

 

[Missy]

Umbrella

 

[Xwordman]

Labrador

 

[Uptowngirl]

Orange

 

[Xwordman]

Gerbil

 

[Uptowngirl]

Illusion

 

[Caity]

onion

 

[Scotslassie2]

onerous

 

[Xwordman]

usable

 

[Scotslassie2]

leap

 

[Scotslassie2]

appearance

 

[Uptowngirl]

Certain

 

[Scotslassie2]

innovate