For the Earth's atmosphere, air.
For the atmosphere of a location, it could be mood or aura.
The word atmospheric is an adjective. It means to be coming from the atmosphere.
The word triangle for atmosphere would be "hydrosphere, lithosphere, atmosphere."
The atmosphere is a huge place
Dawn, daybreak, sunup, morning...
The word "atmosphere" consists of nine letters. If you are referring to the number of words that can be formed using the letters in "atmosphere," it would depend on the rules of word formation you are considering (e.g., anagrams, valid dictionary words). However, the term "atmosphere" itself is a single word.
There is no one-word substitute in English for "son-in-law."
The word you want is florist.
Sportsmanship is a word substitute for spirit of game
The word metalworking is one word.
what word can I substitute for constitutes
eat, use
The word that works is idiot.
Elevate
Traditionalist
Deaf
Omnipresent
A walker is a pedestrian.