lengthening

As nouns the difference between lengthening and delay

is that lengthening is a type of sound change when a sound (especially a vowel) lengthens while delay is a period of time before an event occurs; the act of delaying; procrastination; lingering inactivity.

As verbs the difference between lengthening and delay

is that lengthening is present participle of lang=en while delay is to put off until a later time; to defer.

As nouns the difference between length and lengthening

is that length is the distance measured along the longest dimension of an object while lengthening is (linguistics) a type of sound change when a sound (especially a vowel) lengthens.

As verbs the difference between length and lengthening

is that length is (obsolete) to lengthen while lengthening is .