There Are Tittles in This Title

scurryfunge which means a hasty tidying of the house between the time you see a neighbour and the time she knocks on the door

Words that are rarely used in the singular:

trivia (singular: trivium)

minutiae (minutia)

paparazzi (paparazzo)

grafitti (grafitto)

assizes (assize)

scampi (scampo)

auspices (auspice)

scruples (scruple)

timpani (timpano)

measles (measle)

Words that are rarely used in the positive:

(in)advertent

(in)corrigible

(im)maculate

(im)placable

(in)clement

(in)effable

(dis)consolate

(un)wieldy

(in)delible

(in)nocuous

(un)furl

(im)pervious

(in)sipid

(un)expurgated

(un)speakable

(im)peccable

(un)kempt

(in)evitable

Bonnet: the cap on a fire hydrant

Aphthongs: silent letters in words such as ‘know’ and ‘psychology’