+1 for the list.

ひそひそ is Treespeak.
Minutes can be hun/pun depending on number. 1 (ippun), 6 (roppun), 8 (happun), 10 (jyuppun) ends with pun but I guess that will just cause extra confusion in the doc.

Can add...
募集する, boshuu suru　Recruiting people.
レベル上げ (reberu age)　Exping + PT is widely recognized abbrev. for Party.
レベル上げPT = Exp Party
締め切り (shimekiri)　= (Recruitment) Closed