Heighty is mighty?

[Raynor]

It appears that Numenoreans themselves were high and mighty :

Originally Posted by The Atani and their languages, Late Writings, HoME XII

Hobbits on the other hand were in nearly all respects normal Men, but of very short stature. They were called 'halflings'; but this refers to the normal height of men of Numenorean descent and of the Eldar (especially those of Noldorin descent), which appears to have been about seven of our feet.