Examples of "obscure" compound words include "list uids", "beg pos", "sync binlog", "gfp mask", "av fetch", "str idx", "seq ptr", "ai family", "fmt vuln", "ai socktype", "curr tok", "nbits set", "ini get", "s1 s2", "in addr", "num get", "res init", "sess ref", and "ai addrlen".
Well I can't even.