low vs soft

low

adj
  • Lacking health or vitality, strength or vivacity; feeble; weak. 

  • Situated close to, or even below, the ground or another normal reference plane; not high or lofty. 

  • Being a nadir, a bottom. 

  • Not high in status, esteem, or rank, dignity, or quality. (Compare vulgar.) 

  • Depleted, or nearing deletion; lacking in supply. 

  • Disparaging; assigning little value or excellence. 

  • Dead. (Compare lay low.) 

  • Having a small or comparatively smaller concentration of (a substance, which is often but not always linked by "in" when predicative). 

  • Below the batter's knees. 

  • Humble, meek, not haughty. 

  • Low-cut. 

  • Grave in pitch, due to being produced by relatively slow vibrations (wave oscillations); flat. 

  • Depressed in mood, dejected, sad. 

  • Favoring simplicity (see e.g. low church, Low Tory). 

  • Being near the equator. 

  • Quiet; soft; not loud. 

  • Pertaining to (or, especially of a language: spoken in) in an area which is at a lesser elevation, closer to sea level (especially near the sea), than other regions. 

  • Of less than normal height or upward extent or growth, or of greater than normal depth or recession; below the average or normal level from which elevation is measured. 

  • Made with a relatively large opening between the tongue and the palate; made with (part of) the tongue positioned low in the mouth, relative to the palate. 

  • Small, not high (in amount or quantity, value, force, energy, etc). 

  • Simple in complexity or development. 

  • Lesser in value than other cards, denominations, suits, etc. 

  • Designed for a slow (or the slowest) speed. 

noun
  • An area of low pressure; a depression. 

  • The minimum atmospheric temperature recorded at a particular location, especially during one 24-hour period. 

  • A cheap, cost-efficient, or advantageous price. 

  • A period of depression; a depressed mood or situation. 

  • A flame; fire; blaze. 

  • A low point or position, literally (as, a depth) or or figuratively (as, a nadir, a time when things are at their worst, least, minimum, etc). 

  • The lowest trump, usually the deuce; the lowest trump dealt or drawn. 

  • The lowest-speed gearing of a power-transmission system, especially of an automotive vehicle. 

  • Barrow, mound, tumulus. 

verb
  • To burn; to blaze. 

  • To moo. 

adv
  • In a low mean condition; humbly; meanly. 

  • In a time approaching our own. 

  • In a path near the equator, so that the declination is small, or near the horizon, so that the altitude is small; said of the heavenly bodies with reference to the diurnal revolution. 

  • Close to the ground. 

  • With a low voice or sound; not loudly; gently. 

  • Under the usual price; at a moderate price; cheaply. 

  • Of a pitch, at a lower frequency. 

soft

adj
  • Physically or emotionally weak. 

  • Of a ferromagnetic material; a material that becomes essentially non-magnetic when an external magnetic field is removed, a material with a low magnetic coercivity. (compare hard) 

  • Expressing gentleness or tenderness; mild; conciliatory; courteous; kind. 

  • Requiring little or no effort; easy. 

  • Voiced; sonant; lenis. 

  • Voiceless. 

  • Gentle. 

  • Lacking strength or resolve; not tough, wimpy. 

  • Low in dissolved calcium compounds. 

  • Smooth and flexible; not rough, rugged, or harsh. 

  • Easily giving way under pressure. 

  • Emulated with software; not physically real. 

  • Not likely to cause addiction. 

  • Not containing alcohol. 

  • Weak in character; impressible. 

  • Not harsh or offensive to the sight; not glaring or jagged; pleasing to the eye. 

  • Gentle in action or motion; easy. 

  • Incomplete, or temporary; not a full action. 

  • Effeminate. 

  • Of a market: having more supply than demand; being a buyer's market. 

  • softcore. 

  • Palatalized. 

  • Not bright or intense. 

  • Foolish. 

  • Agreeable to the senses. 

  • Having a slight angle from straight. 

  • Made up of nonparallel rays, tending to wrap around a subject and produce diffuse shadows. 

  • Quiet. 

noun
  • A soft sound or part of a sound. 

  • A soft or foolish person; an idiot. 

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