Table 7. Substitution patterns for the English majors

Fricative (intelligibility)	Substituted sounds
f (94.7%)
v (70.7%)	w (28.1%)
θ (51.1%)	f (5.6%), s (23%), z (7.4%), ð (14.2%)
ð (48.6%)	v (6.1%), θ (20%), z (22.7%)
s (90.6%)	θ (7.1%)
z (82.2%)	ð (13.2%)
ʃ (95.2%)
ʒ (41.1%)	ʤ (15.6%), ʐ (34%)

Note: Substitution percentage lower than 5% is not considered for clarity.