Japanese pear; nashi pear
Refers specifically to the round, crisp, apple-like pear native to East Asia (Pyrus pyrifolia), distinct from European pears.
Japanese pears are characterized by their crisp, crunchy texture.
When autumn comes, it's the season for Japanese pears.
洋梨 refers to European pears (Pyrus communis), which are typically softer and more aromatic when ripe, unlike the crisp Japanese pear.
Standard kanji spelling for the Japanese pear.
Mixed kanji-kana spelling; sometimes used for clarity or in contexts where the kanji 梨 is less common.
Mixed kanji-katakana spelling; katakana may be used for the fruit name in botanical or commercial contexts.
Full katakana spelling; common in scientific or commercial labeling, or when emphasizing the species name.
Compound of 日本 (Nihon, 'Japan') and 梨 (nashi, 'pear'). The word simply denotes the pear species native to Japan.