Morphological tree — arka en

▶ arka sensitive, timid
-illa→ arkailla to be shy, to hesitate
-istaa→ aristaa hurt, ache
▶ -staa→ arastaa hesitate, be wary
-ella→ arastella hesitate, be wary
-sti→ arasti timidly
-uus→ arkuus sensitivity, timidity