aboard is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Adverb (NOT COMPARABLE)

On board; into or within a ship or boat; hence, into or within a railway car. (from ca. 1350—1470)
• We all climbed aboard.
On or onto a horse, a camel, etc. (from late 19th c.)
• To sling a saddle aboard.
(baseball) On base. (from mid-20th c.)
• He doubled with two men aboard, scoring them both.

Preposition

On board of; onto or into a ship, boat, train, plane. (from ca. 1350—1470)
• We all went aboard the ship.
Onto a horse. (from mid-20th c.)
(obsolete) Across; athwart; alongside. (early 16th late 17th c.)

aboard is a Scrabble valid word

aboard

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

aboard is an iScramble, QuickWords valid word

aboard

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• ABORAD
• ABROAD
• BARODA

Same letters plus one

• ADBOARD
• ARABDOM
• ARABOID
• BANDORA
• BARLOAD
• BAYARDO
• BRANDAO
• BRAVADO
• BROADAX
• DOLABRA
• LABRADO
• RABODAY
• TABORDA

Same letters minus one

• ABOAD
• ABORD
• ADORB
• AROBA
• BARAD
• BARDO
• BOARD
• BORDA
• BROAD
• BRODA
• DABAO
• DOABA
• DOBRA
• DORAB
• OBARA