peligrar
endanger
peril
danger
+
-ar
verb suffix
Peligrar means to endanger and can be remembered as peril0 + -ar1 (verb suffix1), literally meaning 'to put in peril'.
verb
- endangerTo be in danger or at riskEl proyecto peligra si no recibimos más fondos. // The project is in danger if we don't receive more funds.