I'd use the word "Science"
Cosmology.
Epistemology.
Cosmos is generally used as synonym of the word universe.The cosmos or universe is defined as the summation of all particles and energy that exist and the space-time in which all events occur.
hypothetico-deductive method maybe 2 words
one word, but 2 syllables. Spelled: payback. :)
payback
Payback
scince
Cosmology is defined as the science of the origin and development of the universe. an account or theory of the origin of the universe.
I'd use the word "Science"
scince
science
Cosmology.
science
payback-or-pay one's dues
"Macrocosm relates to universe. Macrocosm can be used for the world as a whole."