ずに済む => get by without doing ~ N2
なくて済む/ないで済む => get by without doing ~ N2
て済む => sufficient by; no problem to; resolve by ~ N3
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
に行く/に来る/に帰る => go/arrive/go back (to do something) N5
ずにすむ => Not doing A will suffice; Can get by without doing A N1
Need/Requirements
~やむをえず  => unavoidable, no other way to do something N2
Necessity, obligation
わずかに => slightly; only; barely; narrowly ~ N2
~ににあわず (に似合わず ) => ~Different from N1
Evaluate
ずに => without doing ~ N3
にもかかわらず => despite; in spite of; nevertheless; although ~ N2