Especially means ‘particularly’ or ‘above all’:
She loves flowers, especially roses.
I am especially grateful to all my family and friends who supported me.
Not: Especially I am…
We use specially to talk about the specific purpose of something:
This kitchen was specially designed to make it easy for a disabled person to use.
He has his shirts made specially for him by a tailor in London.
Especially can also be used to mean ‘for a particular purpose’:
I bought these (e)specially for you.