As an adjective syntonic

is (psychology) in harmony or synergy with one's personality and milieu.

As a noun null is

zero, nil; the cardinal number before einn.

As nouns the difference between stepmotherhood and null

is that stepmotherhood is the state of being a stepmother while null is zero, nil; the cardinal number before einn.

As nouns the difference between kinoo and null

is that kinoo is a hybrid mandarin citrus fruit from two citrus cultivars, 'king' (taxlink) and 'willow leaf' of citrus reticulata (syn (taxlink)), grown extensively in the punjab region while null is zero, nil; the cardinal number before einn.

As a noun propriety

is (obsolete) the particular character or essence of someone or something; individuality.

As an adjective preferential is

of or relating to the showing or giving of preference.

As nouns the difference between splades and null

is that splades is while null is zero, nil; the cardinal number before einn.

As nouns the difference between quindecemvir and null

is that quindecemvir is (roman history) one of a sacerdotal college of fifteen men whose chief duty was to take care of the sibylline books while null is zero, nil; the cardinal number before einn.

As nouns the difference between concurrency and null

is that concurrency is the property or an instance of being concurrent; something that happens at the same time as something else while null is zero, nil; the cardinal number before einn.

As nouns the difference between fairs and null

is that fairs is while null is zero, nil; the cardinal number before einn.

As nouns the difference between gynaecology and null

is that gynaecology is while null is zero, nil; the cardinal number before einn.

As an adjective feminized

is made feminine; made to have more feminine behaviour, traits or physiology.

As a verb feminized

is (feminize).

As a noun null is

zero, nil; the cardinal number before einn.