Meaning tells you what the verb expresses; weight tells you how its letters are vocalized.
● غَفَرَ—يَغْفِرُ means forgiving.
● صَبَرَ—يَصْبِرُ means being patient.
● Both use يَفْعِلُ, but they are not synonyms.
Likewise, دَخَلَ—يَدْخُلُ and خَرَجَ—يَخْرُجُ share a present weight while expressing opposite movements.
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Fa'ala Verbs - Part 1: Past and Present Pairs
Meaning tells you what the verb expresses; weight tells you how its letters are vocalized.
● غَفَرَ—يَغْفِرُ means forgiving.
● صَبَرَ—يَصْبِرُ means being patient.
● Both use يَفْعِلُ, but they are not synonyms.
Likewise, دَخَلَ—يَدْخُلُ and خَرَجَ—يَخْرُجُ share a present weight while expressing opposite movements.