Group 1 analyse, verb consider in detail and subject to an analysis in order to discover essential features or meaning break down into components or essential features make a mathematical, chemical, or grammatical analysis of

ignorance, noun
the lack of knowledge or education

incentive, noun
a positive motivational influence
an additional payment (or other remuneration) to employees as a means of increasing output

incidence, noun
the relative frequency of occurrence of something
the striking of a light beam on a surface
he measured the angle of incidence of the reflected light

incorporate, verb
make into a whole or make part of a whole
include or contain; have as a component
A totally new idea is comprised in this paper
form a corporation
unite or merge with something already in existence
incorporate this document with those pertaining to the same case