List: noun (common) (futsuumeishi)

popular  rarely used kanji form  noun  noun (generic) 

• toothbrush

popular  JLPT N1  noun  noun (generic) 

• actual expenses, out-of-pocket expenses
• cost price

popular  search-only kanji form  JLPT N4  polite language  noun  noun (generic) 

• (another's) daughter
• young lady

popular  JLPT N1  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb  な adjective  adjective (generic)  noun taking the genitive case particle の 

• parallelism, running parallel (to, with)
• running concurrently, occurring at the same time, keeping pace with
• not reaching an agreement (e.g. of a debate)

popular  obsolete reading  usually written using kana alone  noun  noun (generic) 

• swallow (bird of the Hirundinidae family), martin
• barn swallow (Hirundo rustica)
• younger man involved with an older woman, boy toy

popular  noun  noun (generic) 

• family lineage

popular  irregular okurigana  な adjective  adjective (generic)  noun taking the genitive case particle の  noun  noun (generic) 

• back-facing, backwards
• backward-looking, retrogressive, reactionary, retrospective, negative

popular  JLPT N1  mathematics  noun  noun (generic) 

• measurement error, calculation error
• discrepancy, deviation, difference, gap

popular  noun taking the genitive case particle の  adjective (generic)  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• official (rate, price, etc.), officially fixed

popular  search-only kanji form  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb  idiomatic expression 

• tightrope walking, high-wire act, funambulism
• treading a tightrope, walking on thin ice, pulling a risky balancing act