11. Combining diacritics occur in Angerthas Erebor as well : a circumflex accent numerals 1. 12. The circumflex , however, is usually included. 13. The first-declension genitive plural always takes a circumflex on the last syllable. 14. Nasal vowels are written with a circumflex . 15. No attempt is usually made to reproduce the accentuation contrast between acute and circumflex accents. 16. One such theory is the circumflex model assumption, or the theory of emotional valence. 17. The modern usage of the circumflex accent became standardized in the 18th or 19th century. 18. In conservative Serbo-Croatian dialects of Lithuanian circumflex , due to their phonetic similarity. 19. The circumflex ( ? ) is used to mark Predicting vowel length from orthography " below. 20. The medial circumflex femoral artery is the principal source of blood supply to the femoral head.