Baby Expression, Behaviour, Baby Attitude.

Cooing
Smiling
Giggling
Chuckling
Laughing
Frowning
Pouting
Staring
Glaring
Surprised
Curiosity
Wide-eyed
Drooling
Scrunching
Grinning
Playful
Shy
Content

Baby Crying:

Wailing
Screaming
Whining
Fussing
Sob
Tears
Distressed
Whimpering
Hiccupping
Fidgeting
Tantrum
Cranky
Restless
Hungry cry
Sleepy cry
Painful cry
Unsettled
High-pitched
Frantic

Baby Emotions:

Happiness
Sadness
Joy
Fear
Discomfort
Anger
Frustration
Confusion
Surprise
Excitement
Affection
Comfort
Love
Trust
Anxiety
Glee
Shyness
Relief