"Hotnights" is a compound word made up of "hot" and "nights." The "h" and "o" sounds in "hot" are represented by the IPA symbols /h/ and /ɒ/, while the "n" and "ights" sounds in "nights" are represented by /n/ and /aɪts/. Together, the word is spelled as "hotnights." The spelling accurately represents the sounds in the word, making it easy to pronounce and understand. "Hotnights" conveys the idea of warm, sultry evenings, making it a fitting term for describing summer nights spent outside.