Some of my (not) favorites, some of which have been covered:
Jehovah - it's used far, far too often. I used to count how many times it would appear on a single WT page, for example. It's amazing how they over-use this name.
Fine - "brother, that was a fine talk", "what a fine meeting!" etc
Glean - One elder I knew used this term all the time.
Article titles that ended in - How? and - Why?
Assembly
Convention
Elders School
Beneficial
Mate
Momentary touching of breasts
Petting/Heavy Petting (great photo posted on an earlier reply)
Divine (seemed to be used in Convention titles all the time)
Scriptural Divorce
Approved Organizational Procedure
Mother (as in Jehovah's Organization is our Mother)
Work - as in "Preaching Work", Disciple-Making Work". They made the very word "Work" sickening.
Submission (Wifely Submission was probably the worst example)
Husbandly Head
Head - as in husbandly head, but also just the word "head", like hearing some sisters say "he's my head".
Like - as in "Christ-like" and other uses for like as a suffix.