Words Starting With O Ending in SS

137 words starting with O and ending in SS, from 6 to 15 letters. Pick a length to see its full list.

  • obsess8
  • ogress7
  • oakmoss13
  • oarless7
  • oddness9
  • oldness8
  • oneness7
  • oppress11
  • orbless9
  • outkiss11
  • outness7
  • outpass9
  • openness10
  • oakiness12
  • odorless9
  • oiliness8
  • ooziness17
  • oratress8
  • outbless10
  • outclass10
  • outcross10
  • outdress9
  • outgross9
  • outguess9
  • outpress10
  • ovalness11
  • overpass13
  • obeseness11
  • odourless10
  • oftenness12
  • orderless10
  • ostleress9
  • otherness12
  • oughtness13
  • overclass14
  • overdress13
  • overgrass13
  • overpress14
  • overtness12
  • ownerless12
  • oafishness16
  • objectless21
  • oblateness12
  • obtuseness12
  • occultness14
  • odiousness11
  • offendress17
  • offishness19
  • opaqueness21
  • opposeless14
  • ornateness10
  • orneriness10
  • otherguess14
  • otioseness10
  • overassess13
  • overstress13
  • owlishness16
  • oxygenless21
  • obliqueness22
  • obsceneness15
  • obscureness15
  • obviousness16
  • odorousness12
  • offenceless19
  • offenseless17
  • ominousness13
  • onerousness11
  • ongoingness13
  • operoseness13
  • orderliness12
  • outwardness15
  • overfulness17
  • overimpress18
  • overprocess18
  • obdurateness15
  • obligingness16
  • obsoleteness14
  • omissiveness17
  • operatorless14
  • oppositeness16
  • oracularness14
  • orchardgrass19
  • ordinariness13
  • outdatedness14
  • outgoingness14
  • outmodedness16
  • outrightness16
  • outsiderness13
  • overcompress21
  • overfineness18
  • overfondness19
  • overfullness18
  • overkindness20
  • overniceness17
  • objectiveness27
  • obliviousness18
  • obnoxiousness22
  • obsessiveness18
  • obstinateness15
  • obtrusiveness18
  • occlusiveness20
  • offensiveness22
  • offhandedness24
  • officiousness21
  • operativeness18
  • opportuneness17
  • oraculousness15
  • outspokenness19
  • overalertness16
  • overeagerness17
  • overhastiness19
  • oversweetness19
  • objectlessness25
  • obligatoriness17
  • obsequiousness25
  • observableness21
  • oleaginousness15
  • omnivorousness19
  • openhandedness21
  • oppositionless18
  • oppressiveness21
  • outlandishness18
  • outrageousness15
  • obstructiveness22
  • odoriferousness19
  • omnifariousness20
  • openheartedness21
  • openmouthedness23
  • opinionatedness18
  • opprobriousness21
  • overbearingness21
  • overearnestness18
  • overforwardness25
  • overweeningness22
  • overzealousness27

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Words Starting With O Ending in SS: Questions

How many words starting with O and ending in SS are there?

There are 137 words starting with O and ending in SS in our dictionary, ranging from 6 to 15 letters long.

What is the longest word starting with O and ending in SS?

OBSTRUCTIVENESS is one of the longest at 15 letters, which is as long as these lists run.

What are some common words starting with O and ending in SS?

OBLIQUENESS, OBSCENENESS, OBSCURENESS are among the most familiar words starting with O and ending in SS. Pick a word length to see the full list for that length.

Are these words starting with O and ending in SS valid in Scrabble and Words With Friends?

Every word is drawn from a tournament word list, so most are playable everywhere. Open the list for a given length to filter it down to Scrabble US (NWL2023), Scrabble UK (CSW24) or Words With Friends.