s
A scientific word for solution is homogeneous mixture. Mixture is another word used in science that can means solution. Colloid can be a colloidal solution.
Separation is a scientific word.
Obese
the scientific word for water
Combustion
Diffusion
Dispersed
spreading
you could say 'quickly profused' if its spreading in a bad or harmful way then the word is 'insidious'
Dead spot, weakness, deficiency
Stain.
Point.
Another word for place is spot, or position. Another word for place is protection, or harbor.
stain
shade or a dark spot
The synonym of non malignant is benign.
Due to