The correct spelling of the word "lays door" is actually "laid door". The pronunciation of the word can be broken down using the International Phonetic Alphabet (IPA) as /leɪd/ for "laid" and /dɔːr/ for "door". The word "laid" is the past tense form of the verb "lay", which means to put something down in a horizontal position. So, the correct usage would be "He laid the door on the ground." Remember, proper spelling is important to ensure proper communication.