に[難「むずか」]くない => It's not hard to A N1
Adjectival, Descriptions
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
ずにすむ => Not doing A will suffice; Can get by without doing A N1
Need/Requirements
いかんにかかわらず,いかんによらず => Regardless of A (A is a reason, response, result) N1
Based/focused/depending on
に[限「かぎ」]らず => Not only A, but B also N2
(Not)only, (Not) even
ずに => Without A..ing N4
Verb Suffixes
ずに => Without A..ing N3
Verb Suffixes
にもかかわらず => Although A, despite A, even though A, in spite of A N2
Contrast,Surprise
ずにはおかない/ないではおかない => Will definitely A, N1
Will, Decision, Doing
[向「む」]け => Made for A, intended for A N2
Adjectival, Descriptions
によらず => Regardless of A N1
Based/focused/depending on
も[構「かま」]わず => Without considering A N2
Considering, Concerning