In total, how many words are possible to make using the combination of letters specified?It's possible to derive 10 words from the combination you asked for.
What is the longest word you can create with words that start with 'pht' and end with 'e'?Try 'phthalylsulfathiazole', which consists of 21 characters.
What's an unusual word on this list of words that start with 'pht' and end with 'e'?Ranking as the most unusual word on this page is 'phthalide'. It means "A lactone obtained by reduction of phthalyl chloride, as a white crystalline substance; hence, by extension, any one of the series of which phthalide proper is the type. [Written also phthalid.]".