insidias
insidias is a Latin form of insidiae, meaning “ambush; plot, trap, treachery”. It is the accusative plural feminine noun.
Found 270 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.42.5: Interim saepe cum legati ultro citroque inter eos mitterentur, Ariovistus postulavit ne quem peditem ad conloquium Caesar adduceret: vereri se ne per insidias ab eo circumveniretur; uterque cum equitatu veniret: alia ratione sese non esse venturum.
Ovid, Heroides 21.110: Insidias legi, magne poeta, tuas!
Plautus, Bacchides 5.2.1206: Lepide ípsi hi sunt captí, suis qui filiís fecere insídias.
All forms of insidiae (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.