Simileys of Kalidasa using grammar

धातोः स्थान इवादेशं सुग्रीवं संन्यवेशयत्

He installed Sugrīva [in Vālin's position] like a substitute is put in place of root.

सोऽभवद् वरवधूसमागमः प्रत्ययप्रकृतियोगसंनिभः

The union of groom and bride was like the union of root and affix.

15.7

यः कश्चन रघूणां हि परमेकः परंतपः। अपवाद इवोत्सर्गं व्यावर्तयितुमीश्वरः॥

... capable of restricting enemy like an exception restricts a general rule.

15.9

रामादेशादनुगता सेना तस्यार्थसिद्धये। पश्चादध्ययनार्थस्य धातोरधिरिवाभवत्॥

Like the prefix अधि provides meaning (अर्थसिद्धि) when added before the root इ (इङ्ङध्ययने), the army following Rama's order served the purpose (अर्थसिद्धि) of Śatrughna. [Prefix = Army, Root = Śatrughna, similarity is that of अर्थसिद्धि].

 Kumārasambhava 2.27

लब्धप्रतिष्ठाः प्रथमं यूयं किं बलवत्तरैः।

अपवादैरिवोत्सर्गाः कृतव्यावृत्तयः परैः॥

[अपवाद/उत्सर्ग is used as in Raghuvaṃśa 15.7]

 Kirātārjunīya 13.19

रिपुराप पराभवाय मध्यं प्रकृतिप्रत्यययोरिवानुबन्धः

Destined for destruction, like a coded syllable placed between a grammatical base and ending, the beast [was caught between Shiva and Arjuna]