What is the difference between a root word and a combining form?

list 2 examples of combining form

The difference is the combining vowel

Explanation:

The Combining form needs the vowel to form, that is:

root word +  combining vowel = combining form

Root word:

A root is a word that does not have a prefix in front of the word or a suffix at the end of the word. The root word is the main lexical unit of a word and a family of words, which carries the most significant aspects of semantic content and cannot be reduced to smaller components

Combining form:

Training process of  words from two or more roots or simple words.

When the word includes a cultured base and a patrimonial base, we will consider derived word. For example, hypermarket, bi-monthly

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.