Dubious Doublets: A Delightful Compendium of Unlikely Word Pairs of Common Origin, from Aardvick/Porcelain to Zodiac/Whiskey by Stewart Edelstein
This unique book features over 100 essays on the surprising common origins of unlikely word pairs that will fascinate word buffs and armchair etymologists everywhere. With unlikely pairs such as lettuce and galaxy - both words derive from the Indo-European root glakt meaning milk via Latin and Greek, respectively - "Dubious Doublets" captures the sometimes tangled history of the English language.