家宅|かたくkataku[0]heiban (flat)

1. noundomicile; premises

• Synonym住宅じゅうたくNeutralCommon word for a residential building, used in everyday and administrative contexts like 「住宅街」; 「家宅」 is more written, seen in set phrases such as 「家宅捜索」.
• Synonym宅たくNeutralMeans a house or home, and can politely refer to one's own husband; standing alone it sounds old-fashioned, while 「家宅」 is a written compound.
• Synonym住居じゅうきょWrittenA formal word for a dwelling place, also covering the act of living somewhere; 「家宅」 focuses on the house and its grounds themselves.
• Synonym家屋かおくWrittenFormal term for a building, common in news reports like 「家屋倒壊」; centers on the structure itself and can broadly cover factories and warehouses too.
• Synonym自宅じたくNeutralEveryday word for one's own home, as in 「自宅待機」; stresses that it is your own, which 「家宅」 does not.
• Synonymお宅おたくNeutralPolite way to refer to someone's home or family, as in 「お宅はどちらですか」; carries respect, which 「家宅」 does not.
• Synonym家いえNeutralSuffix for shops or people in a trade, as in 「本屋」; a different sense entirely from 「家宅」, which means a dwelling.
• Synonym居宅きょたくWrittenThe home where one lives day to day; a written word common in administrative and welfare language such as 「居宅介護」.
• Synonym住家じゅうかWrittenA house people live in; written and rarely used — say 「家」 or 「住まい」 in everyday speech.
• Related住まいすまいNeutralEveryday word for a home and how one lives, as in 「お住まいはどちら」; softer and more conversational than 「家宅」.
• RelatedうちNeutralSuffix for shops or people in a trade, as in 「本屋」; a different sense entirely from 「家宅」, which means a dwelling.
• Related住所じゅうしょNeutralAn address or place of residence, as in 「住所を書く」; centers on the location, while 「家宅」 centers on the house itself.
• Related居住きょじゅうWrittenMainly the act of residing somewhere, as in 「居住者」 or 「海外に居住する」; 「家宅」 refers to the house itself.
• Related実家じっかNeutralThe home you were born and raised in, or your parents' home after marriage; carries that family-origin nuance 「家宅」 lacks.
• Related宿やどNeutralMostly lodging on a trip, though it can mean a dwelling, as in 「宿を取る」; 「家宅」 is a long-term home.
• Related屋敷やしきNeutralA house together with its grounds, often a spacious mansion like 「お屋敷」; 「家宅」 does not imply size.
• Related住処すみかNeutralA place one lives, also a beast's den or a villain's lair; casual or literary in tone, whereas 「家宅」 is a formal written word.
• RelatedんちCasualColloquial suffix after a name for someone's house, as in 「友達ん家」; casual — use 「お宅」 or 「家」 in formal settings.
• Related住屋じゅうおくWrittenA house for living in; written and rare in modern Japanese — say 「家」 or 「住宅」 instead in daily use.
• Related居館きょかんWrittenA mansion used as a residence, typically those of historical lords and nobles; written, while 「家宅」 means ordinary housing.
• Related邸ていNeutralA large mansion with extensive grounds, also written 「邸」, with the air of a wealthy family; 「家宅」 is a general term with no sense of scale.

「家宅」 is a written word, seen mostly in set phrases like 「家宅捜索」. In daily speech prefer 「住宅」 for housing, 「自宅」 for your own home, 「お宅」 for someone else's, 「住所」 for an address, and 「家屋」 for buildings.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 家いえ。すまい。家屋敷いえやしき。