Words that have SH in the middle:

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Bushes
Dishes
Lotion
Flashlight
Fishing
Ocean
Milkshake
Pushing
Toothbrushes
Addition

Directions
Cushion
Tissue
Sunshine
Eyelashes
Seashore
Machine
Washing
Mushroom
Pet Shop

Eruption
Polishing
Washington
Musician
Dishrag
Infection
Special
Affection
Ambition
Attention

Audition
Compassion
Completion
Connection
Correction
Description
Distraction
Emotion
Eyelashes
​Fisherman