ORTHO and RECT

ORTHO

ORTHO comes from orthos, the Greek word for "straight", "right," or "true."

orthodontics

orthodox

orthopedics

orthography

RECT

RECT comes from the Latin words rectus, which means "straight" or "right."

rectitude

rectify

rectilinear

directive

两个词根都和straight有关，一个来自Latin，一个来自Greek。意思上也有比较大的差距。一个更强调形状，另一个更强调right。

orthotics
orthograde
dentistry
deformity
skeleton
eloquent
deficient
rectus
crucial