ETYMOLOGIES
Etymologies
ETYMOLOGIES
The following from your list have 3 syllables: Everything Hopefully Microscope Opening Thesaurus
A thesaurus -apex
Thesaurus
It depends on the specific thesaurus and encyclopedia being compared. Generally, an encyclopedia would contain more comprehensive information across different topics, while a thesaurus would focus on synonyms and related words for language use.
Thesaurus in German is Synonymwörterbuch, Thesaurus
thesaurus
A thesaurus typically does not contain etymologies. Its main purpose is to provide synonyms and related words to help with writing and expanding vocabulary. If you are looking for the origins and history of words, you would need to consult an etymological dictionary.
A dictionary of synonyms is called a thesaurus.
Etymologies
Probably a thesaurus, but a dictionary may be some help!