15-Letter Words Start with 'ins'

There are 27 15-letter words that start with 'ins'.

insatiabilities	insatiatenesses
inscrutableness	insensibilities
insensitiveness	insensitivities
inseparableness	insidiousnesses
insignificances	insignificantly
insociabilities	insolublenesses
inspirationally	instantaneities
instantaneously	institutionally
instructiveness	instructorships
instrumentalism	instrumentalist
instrumentality	instrumentation
insubordinately	insubordination
insufficiencies	insurrectionary
insurrectionist

Note: These 27 15-letter words that start with 'ins' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with inst, insu, inse, insi, inso, insp, insc, insa, insh, insn, insw.

5-letter words start with 'ins' (1)
6-letter words start with 'ins' (16)
7-letter words start with 'ins' (36)
8-letter words start with 'ins' (56)
9-letter words start with 'ins' (75)
10-letter words start with 'ins' (80)
11-letter words start with 'ins' (70)
12-letter words start with 'ins' (52)
13-letter words start with 'ins' (49)
14-letter words start with 'ins' (22)
15-letter words start with 'ins' (27)