The term 'KIND OF INK' can be solved by two crossword solutions: SOY (3 letters) and INDIA (5 letters). SOY ink is a type of ink made from soybeans, which is used in printing and packaging. It is considered to be an environmentally friendly alternative to traditional petroleum-based inks. India ink is a type of carbon-based ink that has been used for centuries in writing and drawing. It is made from a combination of soot and water, and is known for its deep black color and waterproof properties.