Chain Word Game

strained

dentries to strained - change of order and swapped a letter.

stained

detains

retains what on earth is a DENTRY?

retain

A dentry is the glue that holds inodes and files together by relating inode numbers to file names.
You did ask. I explained. It's not a word I use in every day conversation. I don't even understand what it means now that i've read the explanation. But there you go, exist it does.

regain
meaning - obtain possession or use of

grain

Each word must be four letters or more, and each round you can do one of the following to the previous word:

1. change a single letter eg site to bite, game to gate, hate to hats etc

2. add a single letter in any position eg wine to twine, grad to grand, come to comet

3. remove a single letter eg craze to raze, flare to fare, charm to char

4. rearrange the letters to form an anagram eg mane to name, posed to dopes, rare to rear

taken from page one of the thread

train