robust vs sound

robust

adj
  • Requiring strength or vigor. 

  • Sensible (of intellect etc.); straightforward, not given to or confused by uncertainty or subtlety. 

  • Designed or evolved in such a way as to be resistant to total failure despite partial damage. 

  • Not greatly influenced by errors in assumptions about the distribution of sample errors. 

  • Resistant or impervious to failure regardless of user input or unexpected conditions. 

  • Of an individual or skeletal element: strongly built; muscular; not gracile. 

  • Violent; rough; rude. 

  • Evincing strength and health; strong; (often, especially) both large and healthy. 

sound

adj
  • Heavy; laid on with force. 

  • Founded in law; legal; valid; not defective. 

  • Complete, solid, or secure. 

  • Having the property of soundness. 

  • Healthy. 

  • Quiet and deep. 

  • Good; acceptable; decent. 

adv
  • Soundly. 

verb
  • To ascertain, or try to ascertain, the thoughts, motives, and purposes of (a person); to examine; to try; to test; to probe. 

  • Dive downwards, used of a whale. 

  • To be conveyed in sound; to be spread or published; to convey intelligence by sound. 

  • Test; ascertain the depth of water with a sounding line or other device. 

  • To convey an impression by one's sound. 

  • To cause to produce a sound. 

  • To examine with the instrument called a sound or sonde, or by auscultation or percussion. 

  • To pronounce. 

  • To arise or to be recognizable as arising in or from a particular area of law, or as likely to result in a particular kind of legal remedy. 

  • To produce a sound. 

noun
  • Earshot, distance within which a certain noise may be heard. 

  • A distinctive style and sonority of a particular musician, orchestra, &. 

  • A long narrow inlet, or a strait between the mainland and an island; also, a strait connecting two seas, or connecting a sea or lake with the ocean. 

  • A long, thin probe for sounding or dilating body cavities or canals such as the urethra; a sonde. 

  • A segment as a part of spoken language, the smallest unit of spoken language, a speech sound. 

  • Noise without meaning; empty noise. 

  • A vibration capable of causing such sensations. 

  • A sensation perceived by the ear caused by the vibration of air or some other medium. 

  • The air bladder of a fish. 

intj
  • Yes; used to show agreement or understanding, generally without much enthusiasm. 

How often have the words robust and sound occurred in a corpus of books? (source: Google Ngram Viewer )