List: noun (common) (futsuumeishi)

popular  JLPT N2  adverb  noun  noun (generic)  familiar language  abbreviation  interjection 

• each time, every time, always, often
• thank you for your continued patronage, thank you for your support, greetings!, welcome!, hello!
• hello, I'm coming in

popular  search-only kanji form  noun  noun (generic)  な adjective  adjective (generic) 

• omission, failure, incompleteness
• irregularity, mismanagement, misconduct, malpractice, carelessness, wastefulness, extravagance

popular  noun  noun (generic) 

• apprenticeship, probation, learning by observation
• apprentice, trainee, probationer

popular  rarely used kanji form  JLPT N2  usually written using kana alone  adverb  noun taking the genitive case particle の  adjective (generic)  な adjective  noun  noun (generic) 

• originally, from the start, from the beginning, from the outset, by nature
• none the worse (for), (coming out) even, in the same position (as before)

popular  rarely used kanji form  JLPT N2  noun  noun (generic) 

• underwear, underclothes, lingerie, chemise, singlet

popular  JLPT N3  noun  noun (generic) 

• second (unit of time)
• arc second

popular  な adjective  adjective (generic)  noun  noun (generic) 

• unreliable, uncertain, indefinite, unclear

popular  architecture  noun  noun (generic) 

• threshold (esp. one with grooves for sliding doors), sill

popular  JLPT N3  noun  noun (generic) 

• noise, sound

popular  JLPT N2  noun  noun (generic) 

• superior, superiors, senior