In the English Vocabulary Profile,
at C1, the adverb ‘hence’ means:
for this reason
At B2, the adverb ‘thus’ is
used after saying a fact to introduce what then happened as a result.
If myth is seen as the product of a past era, it is difficult to determine at what actual moment that era ended.
Thus, it is virtually impossible to state precisely when a certain mythical theme becomes a mere literary theme or to determine in general when myths are no longer being created.
At B2, the adverb ‘consequently’ means:
as a result
At B1, the adverb ‘therefore’ means:
for that reason
In the English Grammar Profile, B2 point 9 in the category of DISCOURSE MARKERS in writing is defined as:
range of phrases as discourse markers to summarise.
(Note ‘therefore’ is B1 in EVP)
IWeb search for ‘Thus|Consequently|Hence|Therefore’ + collocates up to 4 spaces to the right:
1 THEREFORE 1633873
1 RECOMMENDED 4764
2 ESSENTIAL 4561
2 THUS 1485858
(1 FAR 82646) different meaning
2 MAKING 20721
3 HENCE 401384
1 NAME 17169
2 WHY 13148
4 CONSEQUENTLY 153990
1 OUGHT 123
2 REDUCES 103