12 Letter Words
sphygmophone
28
marimbaphone
23
speakerphone
23
harmoniphone
22
kaleidophone
22
picturephone
21
detectophone
20
electrophone
19
metallophone
19
sarrusophone
17
theatrophone
20
10 Letter Words
hydrophone
22
photophone
20
vibraphone
20
microphone
19
videophone
19
gramophone
18
stylophone
18
mellophone
17
smartphone
17
anglophone
16
lagerphone
16
radiophone
16
interphone
15
sousaphone
15
visiophone
18
9 Letter Words
saxophone
21
textphone
21
viewphone
20
homophone
19
polyphone
19
pyrophone
19
handphone
18
headphone
18
cardphone
17
freephone
17
megaphone
17
cellphone
16
optophone
16
audiphone
15
ideophone
15
idiophone
15
overshone
15
aerophone
14
allophone
14
telephone
14
xylophone
24