θ instead of μ

Attestations in Trismegistos Text irregularities

This text irregularity has been corrected by a modern editor 4 time(s) in Trismegistos Text irregularities;
   in 3 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 (θ instead of μ)
Context	Frequency
after ω and before αι	2	(all types of errors in this context)
after α and before ο	1	(all types of errors in this context)
after ε and before ε	1	(all types of errors in this context)

Graphemes preceding this text irregularity (θ instead of μ)
Context	Frequency
after ω	2	(all types of errors in this context)
after α	1	(all types of errors in this context)
after ε	1	(all types of errors in this context)

Graphemes following this text irregularity (θ instead of μ)
Context	Frequency
before αι	2	(all types of errors in this context)
before ε	1	(all types of errors in this context)
before ο	1	(all types of errors in this context)