This is the 2524th most frequent Japanese word.
吉
Good fortune; luck.
吉兆 (kitchou) means a favorable or auspicious sign, utilizing '吉' to indicate something positive.
これは吉兆だと思います。
I think this is a good omen.
吉 (yoshi) is part of a personal name, where '吉' often conveys a sense of good fortune.
彼の名前は吉田です。
His name is Yoshida.
吉 (kichi) refers to a good fortune category in results from fortune-telling, illustrating its direct meaning of luck or fortune.