having 2 custom fields with similar name, causes an issue in JQL columns and excel exporting

Issue Summary

if you have 2 customs fields with a similar name, in the issue search, will only be displayed one of the fields and will also export just one field to excel, in the other the value will show as null:   

Steps to Reproduce

1. create 2 custom fields with a similar name
2. go to your issue search, add columns to each field                                                                                         
3. only one field will show up as a column                                                       

Expected Results

both columns should be added

Actual Results

only one column is added

Workaround

Currently, the customer will have to edit the custom field's name

Workaround for Excel export: Use a CSV export (this will include the values for the columns even with same/similar names) and manually copy the information into your Excel file