The radio DJ has guest hosted the quiz show before when Nick Hewer was shielding during the coronavirus pandemic.
The 'Countdown' star admitted the plight of women in Ukraine weighed heavily on her mind.
The Countdown presenter and her dancer husband revealed their second daughter was born on Bonfire Night, 15 days after her due date.
A spokesperson for the Channel 4 gameshow said the word had been included in "an error of judgement".
The homophobic slur was read out by a contestant as a seven-letter answer to the word quiz, for which he was awarded the points.
Anne Robinson has again made controversial comments about sexual harassment in office environments.