• o ⇔ u and ü ⇔ ö — rounded vowels
• γ ⇔ g ⇔ q in back-vowel context (a, o, u)
• g ⇔ k in front-vowel context (e, i, ö, ü)
• t ⇔ d — dental stops
• b ⇔ p — labial stops
• j ⇔ y word-initially; j ⇔ c word-medially
• - (hyphen) is ignored — aqa finds aq-a and vice versa
• trailing n is optional — altan also finds words beginning with alta (or its equivalents such as alda)

Example: searching for qutug will also surface γodoq and qutuγ.