σχ instead of χ

Attestations in Trismegistos Text irregularities

This text irregularity has been corrected by a modern editor 17 time(s) in Trismegistos Text irregularities;
   in 11 different contexts (before and after);
       following 5 different groups;
       preceding 6 different groups.

Network based on co-occurrence in same text (only irregularities with minimum frequency 10) What is this? Full screen

Contexts of this text irregularity (σχ instead of χ)
Context	Frequency
after σ and before ε	4	(all types of errors in this context)
after σ and before ο	4	(all types of errors in this context)
after ∅ and before ο	1	(all types of errors in this context)
after ε and before ε	1	(all types of errors in this context)
after ε and before θ	1	(all types of errors in this context)
after ε and before ω	1	(all types of errors in this context)
after ι and before θ	1	(all types of errors in this context)
after ο and before ε	1	(all types of errors in this context)
after σ and before α	1	(all types of errors in this context)
after σ and before η	1	(all types of errors in this context)
after σ and before ω	1	(all types of errors in this context)

Graphemes preceding this text irregularity (σχ instead of χ)
Context	Frequency
after σ	11	(all types of errors in this context)
after ε	3	(all types of errors in this context)
after ι	1	(all types of errors in this context)
after ο	1	(all types of errors in this context)
after ∅	1	(all types of errors in this context)

Graphemes following this text irregularity (σχ instead of χ)
Context	Frequency
before ε	6	(all types of errors in this context)
before ο	5	(all types of errors in this context)
before θ	2	(all types of errors in this context)
before ω	2	(all types of errors in this context)
before α	1	(all types of errors in this context)
before η	1	(all types of errors in this context)