observant
Infant, toddler
kid: youth: todler
Baby, child, toddler or young
tot
A 'lad' is a child, usually refers to a young boy.
A lad is a young boy, a male child.
Headache starts and ends with the letters he. Another word is heartache.
The word you are looking for is infant. Infant means small child.
A... Toddler Kid Child
A word that ends with 'ible' and means that can be eaten is edible.
One word for a suitor that ends with "u" is "beau."
Another word to describe the most intelligent that ends with -est is 'smartest. ' "She is the smartest girl in the room. "