I. noun
1.
Synonyms: inquiry 1, delving, inquest, inquisition, investigation, probe, probing, research
2.
Synonyms: pursuit 2, pursual, pursuance, pursuing, search, seeking
II. verb
1.
Synonyms: howl 1, bay, ululate, wail
2.
Synonyms: seek 1, cast about, ferret out, hunt, search (for or out)