Chrome Version       : 51.0.2704.84 (Official Build) (32-bit)
URLs (if applicable) : n. a.
Other browsers tested:
  Add OK or FAIL, along with the version, after other browsers where you
have tested this issue:
     Safari: n. a.
    Firefox: n. a.
         IE: n. a.

What steps will reproduce the problem?
(1) configure languages like this:
    (a) English (United Kingdom), Display Google Chrome in this language, Use this language for spell checking
    (b) English
(2) check display of Spellcheck context-sub-menu

What is the expected result?
Context menu entries:
○ All your languages
○ English (United Kingdom)
Language settings
…

What happens instead?
Context menu entries:
○ All your languages
○ English (Australia)
Language settings
…

Please provide any additional information below. Attach a screenshot if
possible.

 Directory of Chrome-bin\Dictionaries

2016-06-21  14:44    <DIR>          .
2016-06-21  14:44    <DIR>          ..
2016-06-21  14:43         6 811 094 de-DE-3-0.bdic
2016-06-21  14:44           448 071 en-GB-7-0.bdic
2016-06-21  14:43           446 267 en-US-7-0.bdic

possibly relevant:
https://productforums.google.com/forum/#!topic/chrome/QOrL9tWrmrE;context-place=topicsearchin/chrome/category$3AStable
 

Deleted: Chrome-Settings-Languages-1.png 22.4 KB

	Chrome-Settings-Languages-1.png 22.4 KB View Download

Deleted: Chrome-Spellcheck-Context_menu.png 5.3 KB

	Chrome-Spellcheck-Context_menu.png 5.3 KB View Download