へ => Go to N, head to N , Often followed by verbs like 行く/いく, 来る/くる, 向かう/むかう… N5
Particles
にいく => Go somewhere N4
Secondary Verb
に[比「くら」]べて/に[比「くら」]べ => When compared to A N3
Comparison, Exchange
に[加「くわ」]えて/に[加「くわ」]え => In addition to A (not only A), B as well. N2
Lists, Examples
にくい => A is hard/difficult to do N4
Verb Suffixes
にくる => Come (here) in order to A N4
Secondary Verb
くせに => Even though A, unfortunate result B N3
Contrast
ようになる/なくなる => Become… N3
Time, Situation
くする/にする => To make, to change into N5
Change, cause and effect
に[難「むずか」]くない => It's not hard to A N1
Adjectival, Descriptions
に[基「もと」]づいて/に[基「もと」]づき/に[基「もと」]づく => Based on A N2
Based, Focused, Depending on
に[即「そく」]して => In accordance with A, Keeping A in mind, In keeping with A N1
Based/focused/depending on