~といわんばかり => as if to say N1
Similarity
なんともおもわない => think nothing of N3
Invariant
もの/もん/んだもの/んだもん => because; indicates reason/ excuse/ dissatisfaction N3
なんてことない => Nothing serious, significant N3
Evaluate
いったん~ば/と/たら   => Once you do something N2
Necessity, obligation
んで => Because... N4
Cause, reason
んだ => Let's... N4
Order
んばかり => Seems like A, Seems as if A N1
Adjectival, Descriptions
なんか/なんて/など => give examples N3
~いかんだ / いかんで、~ /  ~いかんによって、~ => It depends ... N1
Related, corresponding
なんということもない => Nothing worth mentioning N3
Emphasize
たぶん => Maybe... N4
Speculation