κ instead of σ

Attestations in Trismegistos Text irregularities

This text irregularity has been corrected by a modern editor 4 time(s) in Trismegistos Text irregularities;
   in 4 different contexts (before and after);
       following 3 different groups;
       preceding 3 different groups.

Less than 10 attestations. For a network of text irregularities based on co-occurrence in the same text, see here

Contexts of this text irregularity (κ instead of σ)
Context	Frequency
after ε and before τ	1	(all types of errors in this context)
after ο and before α	1	(all types of errors in this context)
after ο and before κ	1	(all types of errors in this context)
after ω and before α	1	(all types of errors in this context)

Graphemes preceding this text irregularity (κ instead of σ)
Context	Frequency
after ο	2	(all types of errors in this context)
after ε	1	(all types of errors in this context)
after ω	1	(all types of errors in this context)

Graphemes following this text irregularity (κ instead of σ)
Context	Frequency
before α	2	(all types of errors in this context)
before κ	1	(all types of errors in this context)
before τ	1	(all types of errors in this context)