Especially usually means "particularly". It is not placed first in a sentence. especailly通常表示尤其、特别,该词不置于句首。
Specially usually means "for a particular purpose" and is often followed by a past participle, such as designed, developed or made. specially通常表示特意地、专门地,其后常接designed、developed或made等过去分词。
In BrE, especially and specially are often used in the same way and it can be hard to hear the difference when people speak. Specially is less foral. 在英国英语中,especially和specially 常具有相同用法,说话时很难听出其区别。specially 较非正式。
The adjective for both especially and specially is usually specail. especially和specially的形容词通常为special。