Merriam-Webster about 14 hours ago
Not to be THAT dictionary, but…
It’s ‘per se,’ not ‘per say.’
It’s ‘dog-eat-dog world,’ not ‘doggy-dog world.’
It’s ‘hunger pangs,’ not ‘hunger pains.’
It’s ‘one and the same,’ not ‘one in the same.’
It's 'buck naked,' not 'butt naked.'