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“logophile”
One who loves words or who has a special fondness for words: Mr. Robertson was a real word buff, or logophile, who collected many words that were difficult to find in the usual dictionaries.
This entry is located in the following units:
logo-, log-, -logia, -logic, -logical, -logism, -logician, -logian, -logue
(page 6)
philo-, phil-, -phile, -philia, -philic, -philous, -phily, -philiac, -philist, -philism
(page 35)