passim

About 5.16 uses per million words.

Meaning

1. adverb Used in citations to indicate that something, as a word, phrase, or idea, is to be found at many places throughout the work cited; here and there, throughout.
2. adjective That occurs at various places throughout a text.

Similar words

throughout universally ubiquitously everywhere extensively widely broadly overall scatteredly comprehensively

Often followed by

and in for see