The letters in APPROACH make 72 words of two letters or more. The longest is APPROACH at 8 letters, and the highest-scoring is APPROACH at 17 points.
No other single word uses all 8 letters of APPROACH. APPROACH has 8 letters: 3 vowels and 5 consonants, worth 17 points before any board bonuses.
8-letter words 1
7-letter words 1
apocarp13
6-letter words 4
carhop13coppra12coprah13paraph13
5-letter words 7
copra9orach10pacha12parch12poach12porch12roach10
4-letter words 22
arch9arco6caph11capo8carp8chao9chap11char9chop11crop8haar7harp9hoar7hora7opah9orca6paca8papa8para6prao6proa6prop8
3-letter words 28
aah6aha6arc5cap7car5cha8cop7cor5hao6hap8hop8oar3oca5och8ora3orc5pac7pah8pap7par5pho8poh8pop7pro5rah6rap5rho6roc5
2-letter words 9
aa2ah5ar2ha5ho5oh5op4or2pa4
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.