Multi-value checkbox within content type
Add a new field choose FIELD as 'List (text)' and Widget as 'Check boxes/radio buttons'
Then in allowed values list, give your values
eg:
funky|funky
cool|cool
dive|dive
swank|swank
disco|disco
Choose Number of values to "Unlimited"
Then in DEFAULT VALUE, you can see all the options as check boxes, check every boxes if you want display all as selected.


Now you will get the desired output