This file is indexed.

/usr/share/postgresql/9.5/tsearch_data/ispell_sample.affix is in postgresql-9.5 9.5.14-0ubuntu0.16.04.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
compoundwords controlled Z

prefixes

flag *B:
	.       >   RE      # As in enter > reenter

flag U:
    .       >   UN      # As in natural > unnatural

suffixes

flag *J:
	[^E]    >   INGS        # As in cross > crossings

flag *G:
	[^E]    >   ING     # As in cross > crossing

flag *S:
	[^SXZHY]    >   S       # As in bat > bats

flag *A:
	[^AEIOU]Y   >   -Y,IES      # As in imply > implies

flag ~\\:
	[^Y]        >   Y              #~ advarsel > advarsely-