+0
Which is correct? For convenience sake, or for convenience's sake, or for convience' sake?
+0
Hi Anon

As far as I know, many (and possibly most) style guides say that the addition of an apostrophe at the end of words that are spoken with an S sound at the end (such as convenience and goodness) is formally correct. In other words:
- for goodness' sake
- for convenience' sake

However, I believe that many consider the apostrophe to be completely optional.

There is an interesting write-up on this topic here:
http://www.worldwidewords.org/qa/qa-app2.htm
Comments  
Students: We have free audio pronunciation exercises.
I usually try to avoid awkward syntax like that. At least when writing. Instead you can say something like:

For the sake of convenience, ...
You can always say "for the sake of convenience". But I think "for convenience sake" or "for convenience's sake" are both fine.

Rick

Want Bitcoin, but don't know how?

Join millions who have already discovered smarter strategies for investing in Bitcoin. Learn from experienced eToro traders or copy their positions automatically!

for convenience' sake......http://en.wikipedia.org/wiki/Apostrophe#Singular nouns_ending_with_an_.22s.22_or.22z.22_sound.......peace.
Teachers: We supply a list of EFL job vacancies